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1990 Cadillac DeVille

Use our shopping filters to find the right 2/3/4-channel amp to power upgraded speakers properly.

Amps for Adding Speakers for 1990 Cadillac DeVille

Some vehicles require an amp bypass module, a line-output converter like the NVX XLCA2 or AudioControl LC2i, or a DSP to integrate with your factory radio and avoid bass roll-off. Bass roll-off occurs when a factory radio's crossover is designed only for the original equipment speakers, resulting in a not complete signal being sent to your new aftermarket amp.

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MB Quart NA4-320.4

320W RMS Class D Nautic Series 4-Channel Marine and Powersports Amplifier

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320W RMS Class D Nautic Series 4-Channel Marine and Powersports Amplifier

• 40 watts x 4 channel @ 4 ohm
• 80 watts x 4 channel @ 2 ohm
• Total RMS Power: 320 watts
• Class D 2 ohm Stable 4-Channel Amplifier

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List price $229.99
-9% $209.99

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Ships in 10-14 days

• 40 watts x 4 channel @ 4 ohm
• 80 watts x 4 channel @ 2 ohm
• Total RMS Power: 320 watts
• Class D 2 ohm Stable 4-Channel Amplifier

Cerwin-Vega SRPM700.2D

700W RMS Class D RPM Stroker Series 2-Channel Marine and Powersports Amplifier

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700W RMS Class D RPM Stroker Series 2-Channel Marine and Powersports Amplifier

• 200 watts x 2 channel @ 4 ohm
• 350 watts x 2 channel @ 2 ohm
• Bridged: 700 watts x 1 channel @ 4 ohm
• Total RMS Power: 700 watts
• Class D 2 ohm Stable 2-Channel Amplifier

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List price $371.99
-17% $309.99

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Diamond Audio DES400.2D

1000W RMS Class D Diamond Elite Series 2-Channel Full Range Car Amplifier

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1000W RMS Class D Diamond Elite Series 2-Channel Full Range Car Amplifier

• 200 watts x 2 channel @ 4 ohm
• 250 watts x 2 channel @ 2 ohm
• Bridged: 500 watts x 2 channel @ 4 ohm
• Total RMS Power: 1000 watts
• Class D 2 ohm Stable 2-Channel-Channel Amplifier

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$389.99

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Diamond Audio HXM800.2D

800W RMS Class D MotorSport Series 2-Channel Car, Marine and Powersport Amplifier

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800W RMS Class D MotorSport Series 2-Channel Car, Marine and Powersport Amplifier

• 300 watts x 2 channel @ 4 ohm
• 400 watts x 2 channel @ 2 ohm
• Bridged: 800 watts x 1 channel @ 4 ohm
• Total RMS Power: 800 watts
• Class D 2 ohm Stable 2-Channel Amplifier

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$499.99

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JBL Apex PA1502

750W Peak (300W RMS) Class D Apex Series Compact 2-Channel Marine and Powersports Amplifier

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750W Peak (300W RMS) Class D Apex Series Compact 2-Channel Marine and Powersports Amplifier

• 100 watts x 2 channel @ 4 ohm
• 150 watts x 2 channel @ 2 ohm
• Bridged: 300 watts x 1 channel @ 4 ohm
• Total RMS Power: 300 watts
• Class D 2 ohm Stable 2-Channel Amplifier

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List price $439.95
-13% $384.95

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• 100 watts x 2 channel @ 4 ohm
• 150 watts x 2 channel @ 2 ohm
• Bridged: 300 watts x 1 channel @ 4 ohm
• Total RMS Power: 300 watts
• Class D 2 ohm Stable 2-Channel Amplifier

JL Audio MV700/5i

700W RMS Class D MVi Series 5 Channel Marine Amplifier

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700W RMS Class D MVi Series 5 Channel Marine Amplifier

• 75 watts x 4 channel + 180 watts x 1 channel @ 4 ohm
• 100 watts x 4 channel + 300 watts x 1 channel @ 2 ohm
• Bridged: 200 watts x 2 channel @ 4 ohm + 300 watts x 1 channel @ 2 ohm
• Total RMS Power: 700 watts
• Class D 2 ohm Stable 5-Channel Amplifier

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$1,299.99

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DS18 Hydro NXL-F4

640W Peak Class D HYDRO Series 4-Channel Marine and Powersports Flush Mount Amplifier

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640W Peak Class D HYDRO Series 4-Channel Marine and Powersports Flush Mount Amplifier

• 100 watts x 4 channel @ 4 ohm
• 160 watts x 4 channel @ 2 ohm
• Bridged: 320 watts x 2 channel @ 4 ohm
• Total RMS Power: 640 watts
• IPX67 waterproof rating
• Class D 4 ohm Stable 4-Channel-Channel Amplifier

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$527.95

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MB Quart RA1-1100.4

1100W Peak Class D Reference Series 4 Channel Car Amplifier

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1100W Peak Class D Reference Series 4 Channel Car Amplifier

• 150 watts x 4 channel @ 4 ohm
• 275 watts x 4 channel @ 2 ohm
• Bridged: 550 watts x 2 channel @ 4 ohm
• Class D 2 ohm Stable 4-Channel Amplifier

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List price $419.99
-12% $369.99

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Cerwin-Vega HRPM360.4D

360W RMS Class D HRPM Series 4 Channel Marine Amplifier

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360W RMS Class D HRPM Series 4 Channel Marine Amplifier

• 60 watts x 4 channel @ 4 ohm
• 90 watts x 4 channel @ 2 ohm
• Bridged: 180 watts x 2 channel @ 4 ohm
• Total RMS Power: 360 watts
• Class D 2 ohm Stable 4-Channel Amplifier

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-17% $439.99

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Diamond Audio HXM1100.6D

1100W RMS Class-D HXM Series 6-Channel Marine and Powersports Amplifier

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1100W RMS Class-D HXM Series 6-Channel Marine and Powersports Amplifier

• 90 watts x 4 channel + 250 watts x 2 channel @ 4 ohm
• 150 watts x 4 channel + 150 watts x 2 channel @ 2 ohm
• Bridged: 300 watts x 2 channel + 500 watts x 1 channel @ 4 ohm
• Total RMS Power: 1100 watts
• Class D 2 ohm Stable 6-Channel Amplifier

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List price $949.99
-9% $859.99

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• 90 watts x 4 channel + 250 watts x 2 channel @ 4 ohm
• 150 watts x 4 channel + 150 watts x 2 channel @ 2 ohm
• Bridged: 300 watts x 2 channel + 500 watts x 1 channel @ 4 ohm
• Total RMS Power: 1100 watts
• Class D 2 ohm Stable 6-Channel Amplifier

Diamond Audio DXM1000.6D

900W RMS Class D DXM Series 6-Channel Marine and Powersports Amplifier

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900W RMS Class D DXM Series 6-Channel Marine and Powersports Amplifier

• 100 watts x 6 channel @ 4 ohm
• 150 watts x 6 channel @ 2 ohm
• Bridged: 300 watts x 3 channel @ 4 ohm
• Total RMS Power: 900 watts
• Class D 2 ohm Stable 6-Channel Amplifier

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List price $879.99
$859.99

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• 100 watts x 6 channel @ 4 ohm
• 150 watts x 6 channel @ 2 ohm
• Bridged: 300 watts x 3 channel @ 4 ohm
• Total RMS Power: 900 watts
• Class D 2 ohm Stable 6-Channel Amplifier

American Bass VFL Stealth MMC 2004 (STEALTHMMC-2004)

1000W Peak (800W RMS) Class D Stealth Mini Series 4-Channel Marine Amplifier

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1000W Peak (800W RMS) Class D Stealth Mini Series 4-Channel Marine Amplifier

• 125 watts x 4 channel @ 4 ohm
• 200 watts x 4 channel @ 2 ohm
• Peak Power: 250 watts x 4 channel
• Total RMS Power: 800 watts
• Class D 2 ohm Stable 4-Channel Amplifier

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List price $377.99
-29% $267.12

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American Bass VFL Stealth MMC 2002 (STEALTHMMC-2002)

1000W Peak (500W RMS) Class D Stealth Mini Series 2-Channel Marine Amplifier

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1000W Peak (500W RMS) Class D Stealth Mini Series 2-Channel Marine Amplifier

• 150 watts x 2 channel @ 4 ohm
• 250 watts x 2 channel @ 2 ohm
• Bridged: @ 4 ohm
• Total RMS Power: 500 watts
• Class D 2 ohm Stable 2-Channel Amplifier

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List price $286.88
-42% $166.32

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Cerwin-Vega VCU82

1000W Peak (500W RMS) Class D Vega Series 2-Channel Car and Marine Amplifier with Bass Remote

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1000W Peak (500W RMS) Class D Vega Series 2-Channel Car and Marine Amplifier with Bass Remote

• 150 watts x 2 channel @ 4 ohm
• 250 watts x 2 channel @ 2 ohm
• Bridged: 500 watts x 1 channel @ 4 ohm
• Total RMS Power: 500 watts
• Class D 2 ohm Stable 2-Channel Amplifier

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List price $467.99
-38% $292.49

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Massive Audio TX2

480W RMS Class D Trident Series 2 Channel Marine Amplifier with Bluetooth

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480W RMS Class D Trident Series 2 Channel Marine Amplifier with Bluetooth

• 120 watts x 2 channel @ 4 ohm
• 240 watts x 2 channel @ 2 ohm
• Bridged: 480 watts x 1 channel @ 4 ohm
• Total RMS Power: 480 watts
• Class D 2 ohm Stable 2-Channel Amplifier

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List price $334.99
-49% $169.99

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• 120 watts x 2 channel @ 4 ohm
• 240 watts x 2 channel @ 2 ohm
• Bridged: 480 watts x 1 channel @ 4 ohm
• Total RMS Power: 480 watts
• Class D 2 ohm Stable 2-Channel Amplifier

MB Quart NA4-400.2RC

400W RMS Class D Nautic Series 2-Channel Marine and Powersports Amplifier (Polaris RIDE COMMAND Compatible)

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400W RMS Class D Nautic Series 2-Channel Marine and Powersports Amplifier (Polaris RIDE COMMAND Compatible)

• 100 watts x 2 channel @ 4 ohm
• 200 watts x 2 channel @ 2 ohm
• Total RMS Power: 400 watts
• Class D 2 ohm Stable 2-Channel Amplifier
• Compatible with Polaris RIDE COMMAND source units

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List price $219.99
-9% $199.99

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• 100 watts x 2 channel @ 4 ohm
• 200 watts x 2 channel @ 2 ohm
• Total RMS Power: 400 watts
• Class D 2 ohm Stable 2-Channel Amplifier
• Compatible with Polaris RIDE COMMAND source units

Cerwin Vega SRPM700.2DW

700W RMS Class D Stroker RPM Series 2-Channel Marine Amplifier (White)

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700W RMS Class D Stroker RPM Series 2-Channel Marine Amplifier (White)

• 200 watts x 2 channel @ 4 ohm
• 350 watts x 2 channel @ 2 ohm
• Bridged: 700 watts x 1 channel @ 4 ohm
• Total RMS Power: 750 watts
• Class D 2 ohm Stable 2-Channel Amplifier

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List price $371.99
-17% $309.99

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DS18 Hydro NXL-X900.6D

3000W Peak Class D HYDRO Series 6-Channel Marine and Powersports Amplifier

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3000W Peak Class D HYDRO Series 6-Channel Marine and Powersports Amplifier

• 150 watts x 6 channel @ 4 ohm
• 250 watts x 6 channel @ 2 ohm
• 500 watts x 3 channel @ 1 ohm
• IPX6 waterproof rating
• Class D 2 ohm Stable 6-Channel-Channel Amplifier

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$839.95

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• 150 watts x 6 channel @ 4 ohm
• 250 watts x 6 channel @ 2 ohm
• 500 watts x 3 channel @ 1 ohm
• IPX6 waterproof rating
• Class D 2 ohm Stable 6-Channel-Channel Amplifier

DS18 Hydro NXL-X1200.8D

2800W Peak Class D HYDRO Series 8-Channel Marine and Powersports Amplifier

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2800W Peak Class D HYDRO Series 8-Channel Marine and Powersports Amplifier

• 150 watts x 8 channel @ 4 ohm
• 220 watts x 8 channel @ 2 ohm
• Bridged: 450 watts x 4 channel @ 4 ohm
• IPX6 waterproof rating
• Class D 2 ohm Stable 8-Channel-Channel Amplifier

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$959.95

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• 150 watts x 8 channel @ 4 ohm
• 220 watts x 8 channel @ 2 ohm
• Bridged: 450 watts x 4 channel @ 4 ohm
• IPX6 waterproof rating
• Class D 2 ohm Stable 8-Channel-Channel Amplifier

DS18 Hydro NXL-N2

900W Peak Class D HYDRO Series 2-Channel Ultra-Compact Marine and Powersports Nano Amplifier

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900W Peak Class D HYDRO Series 2-Channel Ultra-Compact Marine and Powersports Nano Amplifier

• 100 watts x 2 channel @ 4 ohm
• 150 watts x 2 channel @ 2 ohm
• Bridged: 300 watts x 1 channel @ 4 ohm
• Total Peak Power: 900 watts
• IP67 waterproof rating
• Class D 2 ohm Stable 2-Channel-Channel Amplifier

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$335.95

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• 100 watts x 2 channel @ 4 ohm
• 150 watts x 2 channel @ 2 ohm
• Bridged: 300 watts x 1 channel @ 4 ohm
• Total Peak Power: 900 watts
• IP67 waterproof rating
• Class D 2 ohm Stable 2-Channel-Channel Amplifier

Limited time!

Cerwin-Vega H800.5D

800W RMS Class D HED Series 5 Channel Car Amplifier

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800W RMS Class D HED Series 5 Channel Car Amplifier

• 85 watts x 4 channel + 180 watts x 1 channel @ 4 ohm
• 125 watts x 4 channel + 300 watts x 1 channel @ 2 ohm
• Bridged: 250 watts x 2 channel @ 4 ohm
• Total RMS Power: 800 watts
• Class D 2 ohm Stable 5-Channel Amplifier

Save 30% off an NVX XKIT46 Amp Kit at Checkout!
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NVX NBA201 (Open Box, Great)

1400W Peak (700W) RMS N-Series Class A/B 2-Channel Amplifier

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1400W Peak (700W) RMS N-Series Class A/B 2-Channel Amplifier

• 200 watts x 2 channel @ 4 ohm
• 350 watts x 2 channel @ 2 ohm
• Bridged: 700 watts x 1 channel @ 4 ohm
• Total RMS Power: 700 watts
• CEA-2006 Compliant

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List price $249.99
-48% $129.99

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MB Quart DA2-520.4D

520W Peak Class D Discus Series 4 Channel Marine and Powersports Amplifier

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520W Peak Class D Discus Series 4 Channel Marine and Powersports Amplifier

• 90 watts x 4 channel @ 4 ohm
• 130 watts x 4 channel @ 2 ohm
• Bridged: 260 watts x 2 channel @ 4 ohm
• Total RMS Power: 520 watts
• Class D 2 ohm Stable 4-Channel Amplifier

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List price $460.00
-10% $415.00

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• 90 watts x 4 channel @ 4 ohm
• 130 watts x 4 channel @ 2 ohm
• Bridged: 260 watts x 2 channel @ 4 ohm
• Total RMS Power: 520 watts
• Class D 2 ohm Stable 4-Channel Amplifier

Cerwin-Vega HRPM300.2D

300W RMS Class D HRPM Series 2 Channel Marine Amplifier

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300W RMS Class D HRPM Series 2 Channel Marine Amplifier

• 100 watts x 2 channel @ 4 ohm
• 150 watts x 2 channel @ 2 ohm
• Bridged: 300 watts x 1 channel @ 4 ohm
• Total RMS Power: 300 watts
• Class D 2 ohm Stable 2-Channel Amplifier

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List price $395.99
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MB Quart DA2-500.2D

500W Peak Class D Discus Series 2 Channel Marine and Powersports Amplifier

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500W Peak Class D Discus Series 2 Channel Marine and Powersports Amplifier

• 150 watts x 2 channel @ 4 ohm
• 250 watts x 2 channel @ 2 ohm
• Bridged: 500 watts x 1 channel @ 4 ohm
• Total RMS Power: 500 watts
• Class D 2 ohm Stable 2-Channel Amplifier

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List price $380.00
-9% $345.00

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• 150 watts x 2 channel @ 4 ohm
• 250 watts x 2 channel @ 2 ohm
• Bridged: 500 watts x 1 channel @ 4 ohm
• Total RMS Power: 500 watts
• Class D 2 ohm Stable 2-Channel Amplifier

Limited time!

NVX VADM2 Version 2 (VADM2v2) (Open Box, Great)

600W RMS V-Series Micro Full-Range Class D 2-Channel Amplifier Car/Marine/Powersports Amplifier

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600W RMS V-Series Micro Full-Range Class D 2-Channel Amplifier Car/Marine/Powersports Amplifier

• 200 watts x 2 channel @ 4 ohm
• 300 watts x 2 channel @ 2 ohm
• Bridged: 600 watts x 1 channel @ 4 ohm
• Total RMS Power: 600 watts
• Class D 2 ohm Stable 2-Channel-Channel Amplifier

10% Off Open Box!
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List price $203.99
-19% $165.69
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Belva BXA6404 (Open Box, Good)

640W Peak BX-Series Class A/B 4-Channel Car Audio Amplifier

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640W Peak BX-Series Class A/B 4-Channel Car Audio Amplifier

• 80 watts x 4 channel @ 4 ohm
• 160 watts x 4 channel @ 2 ohm
• Bridged: 320 watts x 2 channel @ 4 ohm
• Total Peak Power: 640 watts
• Class A/B 2 ohm Stable 4-Channel-Channel

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Save 30% off an NVX XKIT84 Amp Kit at Checkout! Add a qualifying amplifier to your cart and save 30% on the NVX XKIT84 Amp Kit! No code needed — discount applies automatically at checkout.

• 80 watts x 4 channel @ 4 ohm
• 160 watts x 4 channel @ 2 ohm
• Bridged: 320 watts x 2 channel @ 4 ohm
• Total Peak Power: 640 watts
• Class A/B 2 ohm Stable 4-Channel-Channel

Rockford Fosgate Punch PM1000X5 with Amplifier Wiring Kit

1000W 5-Channel Powersports/Marine Amplifier

PM1000X5, XKIT46 big
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1000W 5-Channel Powersports/Marine Amplifier

• RMS: 75 watts x 4 chan. + 150 watts x 1 chan. @ 4 ohm, 125 watts x 4 chan. + 300 watts x 1 chan. @ 2 ohm
• CEA-2006 Compliant
• Features C.L.E.A.N. Set-up
• Protected against Dust, UV, & Corrosion
• Marine grade two part epoxy coating on circuit boards
• Includes NVX XKIT46 4 Gauge Amp Wiring Kit

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46
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-18% $799.99

In stock

Only 1 Left!

• RMS: 75 watts x 4 chan. + 150 watts x 1 chan. @ 4 ohm, 125 watts x 4 chan. + 300 watts x 1 chan. @ 2 ohm
• CEA-2006 Compliant
• Features C.L.E.A.N. Set-up
• Protected against Dust, UV, & Corrosion
• Marine grade two part epoxy coating on circuit boards
• Includes NVX XKIT46 4 Gauge Amp Wiring Kit

Limited time!

NVX VADM2 Version 2 (VADM2v2) (Open Box, Good)

600W RMS V-Series Micro Full-Range Class D 2-Channel Amplifier Car/Marine/Powersports Amplifier

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600W RMS V-Series Micro Full-Range Class D 2-Channel Amplifier Car/Marine/Powersports Amplifier

• 200 watts x 2 channel @ 4 ohm
• 300 watts x 2 channel @ 2 ohm
• Bridged: 600 watts x 1 channel @ 4 ohm
• Total RMS Power: 600 watts
• Class D 2 ohm Stable 2-Channel-Channel Amplifier

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List price $203.99
-50% $101.99
$91.79 with coupon | Price details

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• 200 watts x 2 channel @ 4 ohm
• 300 watts x 2 channel @ 2 ohm
• Bridged: 600 watts x 1 channel @ 4 ohm
• Total RMS Power: 600 watts
• Class D 2 ohm Stable 2-Channel-Channel Amplifier

Kenwood eXcelon X803-5 (Open Box, Great)

1600W Peak (800W RMS) Class D eXcelon Series 5 Channel Car Amplifier with Bass Remote

X803-5 big
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1600W Peak (800W RMS) Class D eXcelon Series 5 Channel Car Amplifier with Bass Remote

• 50 watts x 4 channel + 300 watts x 1 channel @ 4 ohm
• 75 watts x 4 channel + 500 watts x 1 channel @ 2 ohm
• Bridged: 150 watts x 2 channel @ 4 ohm + 500 watts x 1 channel @ 2 ohm
• Total RMS Power: 800 watts
• Class D 2 ohm Stable 5-Channel-Channel Amplifier

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List price $600.00
-42% $349.99

In stock

• 50 watts x 4 channel + 300 watts x 1 channel @ 4 ohm
• 75 watts x 4 channel + 500 watts x 1 channel @ 2 ohm
• Bridged: 150 watts x 2 channel @ 4 ohm + 500 watts x 1 channel @ 2 ohm
• Total RMS Power: 800 watts
• Class D 2 ohm Stable 5-Channel-Channel Amplifier

Audio Control LC-5.1300 with NVX 4 Gauge Amp Kit

1300w 5-channel summing amplifier + NVX XKIT46

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1300w 5-channel summing amplifier + NVX XKIT46

• 5-Channel amplifier
• RMS Power: _125W x 4 @ 4 ohm, 200 W x 4 @ 2 ohm, 500W x 1 @ 2 ohm
• Select summing capabilities
• Eight speaker input

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-51% $752.64

In stock

Only 3 Left!

• 5-Channel amplifier
• RMS Power: _125W x 4 @ 4 ohm, 200 W x 4 @ 2 ohm, 500W x 1 @ 2 ohm
• Select summing capabilities
• Eight speaker input

Kenwood KAC-D3104 with Amplifier Wiring Kit

Class D 4-Channel Amplifier (600 Watts Peak Power)

KAC-D3104, BAK84 big
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Class D 4-Channel Amplifier (600 Watts Peak Power)

• 4 ohm: 50 watts x 4 chan.
• 2 ohm: 75 watts x 4 chan.
• Total Peak Power: 600 Watts
• Speaker Level Input
• Signal Sensing Turn-On
• Variable Low Pass/High Pass Filter
• Includes Amplifier Wiring Kit

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• 4 ohm: 50 watts x 4 chan.
• 2 ohm: 75 watts x 4 chan.
• Total Peak Power: 600 Watts
• Speaker Level Input
• Signal Sensing Turn-On
• Variable Low Pass/High Pass Filter
• Includes Amplifier Wiring Kit

NVX NBA201 (Like New (Open Box))

1400W Peak (700W) RMS N-Series Class A/B 2-Channel Amplifier

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1400W Peak (700W) RMS N-Series Class A/B 2-Channel Amplifier

• 200 watts x 2 channel @ 4 ohm
• 350 watts x 2 channel @ 2 ohm
• Bridged: 700 watts x 1 channel @ 4 ohm
• Total RMS Power: 700 watts
• CEA-2006 Compliant

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• 200 watts x 2 channel @ 4 ohm
• 350 watts x 2 channel @ 2 ohm
• Bridged: 700 watts x 1 channel @ 4 ohm
• Total RMS Power: 700 watts
• CEA-2006 Compliant

MTX PS200.2

200W RMS Class D PS Series 2-Channel Powersports Amplifier

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200W RMS Class D PS Series 2-Channel Powersports Amplifier

• 50 watts x 2 channel @ 4 ohm
• 100 watts x 2 channel @ 2 ohm
• Bridged: 200 watts x 1 channel @ 4 ohm
• Total RMS Power: 200 watts
• Class D 2 ohm Stable 2-Channel Amplifier

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• 50 watts x 2 channel @ 4 ohm
• 100 watts x 2 channel @ 2 ohm
• Bridged: 200 watts x 1 channel @ 4 ohm
• Total RMS Power: 200 watts
• Class D 2 ohm Stable 2-Channel Amplifier

Limited time!

Alpine KTA-450 (Open Box, Great)

400W Peak (200W RMS) Class D Power Pack Series 4 Channel Car Amplifier

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400W Peak (200W RMS) Class D Power Pack Series 4 Channel Car Amplifier

• 50 watts x 4 channel @ 4 ohm
• 45 watts x 4 channel @ 2 ohm
• Total RMS Power: 200 watts
• Class D 2 ohm Stable 4-Channel Amplifier

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-43% $188.96
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• 50 watts x 4 channel @ 4 ohm
• 45 watts x 4 channel @ 2 ohm
• Total RMS Power: 200 watts
• Class D 2 ohm Stable 4-Channel Amplifier

Limited time!

NVX VAD10004 (Like New (Open Box))

1000W RMS Full Range Class D 4-Channel Car/Marine/Powersports Amplifier

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1000W RMS Full Range Class D 4-Channel Car/Marine/Powersports Amplifier

• 150 watts x 4 channel @ 4 ohm
• 250 watts x 4 channel @ 2 ohm
• Bridged: 500 watts x 2 channel @ 4 ohm
• Total RMS Power: 1000 watts
• CEA-2006 Compliant
• Class D 2 ohm Stable 4-Channel-Channel Amplifier

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List price $349.99
-31% $242.24
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NVX VADM4 Amplifier with Amplifier Wiring Kit

400W RMS 4-Channel Car/Marine/Powersports Amplifier

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400W RMS 4-Channel Car/Marine/Powersports Amplifier

• 75 watts x 4 channel @ 4 ohm
• 100 watts x 4 channel @ 2 ohm
• Bridged: 200 watts x 2 channel @ 4 ohm
• Total RMS Power: 400 watts
• Class D 2 ohm Stable 4-Channel-Channel Amplifier

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-28% $249.98

In stock

• 75 watts x 4 channel @ 4 ohm
• 100 watts x 4 channel @ 2 ohm
• Bridged: 200 watts x 2 channel @ 4 ohm
• Total RMS Power: 400 watts
• Class D 2 ohm Stable 4-Channel-Channel Amplifier

Cerwin-Vega XED4004D with Belva 4 Gauge Amp Kit

400W Peak (360W RMS) XED Series Class-D 4-Channel Amplifier

XED4004D_BAK44 big
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400W Peak (360W RMS) XED Series Class-D 4-Channel Amplifier

• 60 watts x 4 channel @ 4 ohm
• 90 watts x 4 channel @ 2 ohm
• Bridged: 170 watts x 2 channel @ 4 ohm
• Total RMS Power: 360 watts
• Class D 2 ohm Stable 4-Channel Amplifier
• Includes Amplifier Wiring Kit

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61
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-26% $209.98

In stock

Only 3 Left!

• 60 watts x 4 channel @ 4 ohm
• 90 watts x 4 channel @ 2 ohm
• Bridged: 170 watts x 2 channel @ 4 ohm
• Total RMS Power: 360 watts
• Class D 2 ohm Stable 4-Channel Amplifier
• Includes Amplifier Wiring Kit

DS18 SXE-1200.4/RD (Red) with Belva 4 Gauge Amp Kit

1200W Peak (400W RMS) Class AB SXE Series 4-channel Car Amplifier

SXE12004RD_BAK44 big
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1200W Peak (400W RMS) Class AB SXE Series 4-channel Car Amplifier

• 60 watts x 4 channel @ 4 ohm
• 100 watts x 4 channel @ 2 ohm
• Bridged: @ 4 ohm
• Total RMS Power: 400 watts
• Class A/B 2 ohm Stable 4-Channel-Channel Amplifier (Red)
• Includes Amplifier Wiring Kit

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62
List price $235.94
-19% $190.94

In stock

• 60 watts x 4 channel @ 4 ohm
• 100 watts x 4 channel @ 2 ohm
• Bridged: @ 4 ohm
• Total RMS Power: 400 watts
• Class A/B 2 ohm Stable 4-Channel-Channel Amplifier (Red)
• Includes Amplifier Wiring Kit

Pioneer GM-DX874 with Amplifier Wiring Kit

1200 Watts Class D 4-Channel Amplifier w/ Gold-plated RCA Terminals and Bass Boost Remote

GM-DX874, BAK44 big
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1200 Watts Class D 4-Channel Amplifier w/ Gold-plated RCA Terminals and Bass Boost Remote

• 100 Watts RMS x 4 @ 4 ohm
• 150 Watts RMS x 4 @ 2 ohm
• 125 Watts RMS x 1 @ 1 ohm
• Total Peak Power: 1200 Watts
• CTA-2006 Compliant/Preamp Outputs/LPF
• Hi-Res Audio
• Gold-plated RCA connections
• Includes Amplifier Wiring Kit
• 10-3/8"W x 2-3/8"H x 7-7/8"D

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76
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-36% $244.99

In stock

• 100 Watts RMS x 4 @ 4 ohm
• 150 Watts RMS x 4 @ 2 ohm
• 125 Watts RMS x 1 @ 1 ohm
• Total Peak Power: 1200 Watts
• CTA-2006 Compliant/Preamp Outputs/LPF
• Hi-Res Audio
• Gold-plated RCA connections
• Includes Amplifier Wiring Kit
• 10-3/8"W x 2-3/8"H x 7-7/8"D

Rockford Fosgate R2-300X4 with Amplifier Wiring Kit

Rockford Fosgate 300W 4-Channel Class D Amplifier + Belva BAK44BL

R2-300X4, BAK44 big
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Rockford Fosgate 300W 4-Channel Class D Amplifier + Belva BAK44BL

• 50 Watts RMS x 4 @ 4 ohm
• 75 Watts RMS x 4 @ 2 ohm
• Total Peak Power: 150 Watts
• CEA-2006 Compliant
•Variable On Board Punch EQ
1.9" x "6.8" x "10.1"

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66
List price $389.98
-21% $309.99

In stock

• 50 Watts RMS x 4 @ 4 ohm
• 75 Watts RMS x 4 @ 2 ohm
• Total Peak Power: 150 Watts
• CEA-2006 Compliant
•Variable On Board Punch EQ
1.9" x "6.8" x "10.1"

Kenwood eXcelon XR901-5 + NVX XKIT46

1800W Max (900W RMS) XR Series 2-ohm Stable Class-D 5-Channel Amplifier w/ Bass Knob Included + NVX Premium 4 Gauge 6-Channel Amp Wiring Kit

XR901-5, XKIT46 big
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1800W Max (900W RMS) XR Series 2-ohm Stable Class-D 5-Channel Amplifier w/ Bass Knob Included + NVX Premium 4 Gauge 6-Channel Amp Wiring Kit

• 60 Watts x 4, 400W x Sub Channel RMS @ 4 ohm
• 75 Watts RMS x 4, 600W x Sub Channel @ 2 ohm
• Total Peak Power: 1800 Watts
• CEA-2006 Compliant
• Remote Bass Knob Included
• Heavy Duty Aluminum Heatsink
• Dimensions:10-1/4" W x 6-5/8" L x 1" H

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47
List price $949.99
-17% $789.99

In stock

• 60 Watts x 4, 400W x Sub Channel RMS @ 4 ohm
• 75 Watts RMS x 4, 600W x Sub Channel @ 2 ohm
• Total Peak Power: 1800 Watts
• CEA-2006 Compliant
• Remote Bass Knob Included
• Heavy Duty Aluminum Heatsink
• Dimensions:10-1/4" W x 6-5/8" L x 1" H

Limited time!

Infinity DSP6840 (DSP6840AM) (Like New (Open Box))

1000W Peak (480W RMS) Class D DSP Series 8 Channel Car Amplifier with Digital Signal Processing

DSP6840AM-2 big
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1000W Peak (480W RMS) Class D DSP Series 8 Channel Car Amplifier with Digital Signal Processing

• 40 watts x 8 channel @ 4 ohm
• 60 watts x 8 channel @ 2 ohm
• Total RMS Power: 480 watts
• Class D 2 ohm Stable 8-Channel Amplifier

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List price $539.95
-24% $412.21
$370.99 with coupon | Price details

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Crunch GP-1000.2 (Open Box, Great)

1000W Peak Class AB GP Series 2-Channel Full Range Car Amplifier

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1000W Peak Class AB GP Series 2-Channel Full Range Car Amplifier

• 250 watts x 2 channel @ 4 ohm
• 500 watts x 2 channel @ 2 ohm
• Bridged: 1000 watts x 1 channel @ 4 ohm
• Total Peak Power: 1000 watts
• Class A/B 2 ohm Stable 2-Channel Amplifier

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List price $89.99
-33% $59.99
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• 250 watts x 2 channel @ 4 ohm
• 500 watts x 2 channel @ 2 ohm
• Bridged: 1000 watts x 1 channel @ 4 ohm
• Total Peak Power: 1000 watts
• Class A/B 2 ohm Stable 2-Channel Amplifier

Cerwin Vega B54 (Like New (Open Box))

1200W Peak (600W RMS) Class D Stealth Bomber Series 4 Channel Car Amplifier

B54 big
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1200W Peak (600W RMS) Class D Stealth Bomber Series 4 Channel Car Amplifier

• 80 watts x 4 channel @ 4 ohm
• 150 watts x 4 channel @ 2 ohm
• Bridged: 300 watts x 2 channel @ 4 ohm
• Total RMS Power: 600 watts
• Class D 2 ohm Stable 4-Channel Amplifier

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Rockford Fosgate Punch PM300X2 + FREE $75 Gift Card

300W Punch Series Class A/B 2-Channel Marine Amplifier With Gift Card

PM300X2, 75EGIFT big
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300W Punch Series Class A/B 2-Channel Marine Amplifier With Gift Card

• RMS: 100 watts x 2 chan. @ 4 ohm, 150 watts x 2 chan. @ 2 ohm, 300 watts x 1 chan. @ 4 ohm Bridged
• CEA-2006 Compliant
• Features C.L.E.A.N. Set-up
• Protected against Dust, UV, & Corrosion
• Marine grade two part epoxy coating on circuit boards

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List price $424.99
-18% $349.99

In stock

• RMS: 100 watts x 2 chan. @ 4 ohm, 150 watts x 2 chan. @ 2 ohm, 300 watts x 1 chan. @ 4 ohm Bridged
• CEA-2006 Compliant
• Features C.L.E.A.N. Set-up
• Protected against Dust, UV, & Corrosion
• Marine grade two part epoxy coating on circuit boards

MTX MA400.4

400W RMS Class D MA Series 4-Channel Marine Amplifier

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400W RMS Class D MA Series 4-Channel Marine Amplifier

• 50 watts x 4 channel @ 4 ohm
• 100 watts x 4 channel @ 2 ohm
• Bridged: 200 watts x 2 channel @ 4 ohm
• Total RMS Power: 400 watts
• Class D 2 ohm Stable 4-Channel Amplifier

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List price $579.95
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• 50 watts x 4 channel @ 4 ohm
• 100 watts x 4 channel @ 2 ohm
• Bridged: 200 watts x 2 channel @ 4 ohm
• Total RMS Power: 400 watts
• Class D 2 ohm Stable 4-Channel Amplifier

Limited time!

Wet Sounds SYN-DX 2 (Like New (Open Box))

750W RMS SYN-DX Series Bridgeable Full Range 2-Channel Class D Marine Amplifier (WetSounds)

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750W RMS SYN-DX Series Bridgeable Full Range 2-Channel Class D Marine Amplifier (WetSounds)

• 200 watts x 2 chan. @ 4 Ohm
• 375 watts x 2 chan. @ 2 Ohm
• 750 watts x 1 chan. @ 4 Ohm
• Total power output: 750 watts RMS
• Variable low-pass filter: 50 - 250 Hz, 12 dB/octave
• Variable high-pass filter: 50 - 250 Hz, 12 dB/octave
• Fuse Rating: 30 A x 3

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List price $1099.99
-15% $934.99
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Rockford Fosgate M2-300X4 + FREE $75 Gift Card

300 Watt 4-channel marine amplifier

M2-300X4, 75EGIFT big
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300 Watt 4-channel marine amplifier

• 50 Watts x 4 @ 4 ohm<
• 75 Watts x 4 @ 2 ohm
• 150 Watts x 2 @ 4 ohm Bridged/Mono
• 4-Channel Marine Amplifier
• Top Mounted Control Panel
• 2/4 channel input switch

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List price $424.99
-18% $349.99

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• 50 Watts x 4 @ 4 ohm<
• 75 Watts x 4 @ 2 ohm
• 150 Watts x 2 @ 4 ohm Bridged/Mono
• 4-Channel Marine Amplifier
• Top Mounted Control Panel
• 2/4 channel input switch

MTX MA800.4

800W RMS Class D MA Series 4-Channel Marine Amplifier

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800W RMS Class D MA Series 4-Channel Marine Amplifier

• 100 watts x 4 channel @ 4 ohm
• 200 watts x 4 channel @ 2 ohm
• Bridged: 400 watts x 2 channel @ 4 ohm
• Total RMS Power: 800 watts
• Class D 2 ohm Stable 4-Channel Amplifier

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List price $779.95
-10% $699.95

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• 100 watts x 4 channel @ 4 ohm
• 200 watts x 4 channel @ 2 ohm
• Bridged: 400 watts x 2 channel @ 4 ohm
• Total RMS Power: 800 watts
• Class D 2 ohm Stable 4-Channel Amplifier

JL Audio JD400/4 (Open Box, Great)

400W RMS Class D JD Series 4 Channel Car Amplifier

JD400/4 big
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400W RMS Class D JD Series 4 Channel Car Amplifier

• 75 watts x 4 channel @ 4 ohm
• 100 watts x 4 channel @ 2 ohm
• Bridged: 200 watts x 2 channel @ 4 ohm
• Total RMS Power: 400 watts
• Class D 2 ohm Stable 4-Channel Amplifier

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34
List price $299.99
-15% $254.99

In stock

• 75 watts x 4 channel @ 4 ohm
• 100 watts x 4 channel @ 2 ohm
• Bridged: 200 watts x 2 channel @ 4 ohm
• Total RMS Power: 400 watts
• Class D 2 ohm Stable 4-Channel Amplifier

NVX NBA201 with Amplifier Wiring Kit

1400W Peak (700W) RMS N-Series Class A/B 2-Channel Amplifier

NBA201, BAK42BK big
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1400W Peak (700W) RMS N-Series Class A/B 2-Channel Amplifier

• 200 watts x 2 channel @ 4 ohm
• 350 watts x 2 channel @ 2 ohm
• Bridged: 1400 watts x 1 channel @ 4 ohm
• Total RMS Power: 700 watts
• CEA-2006 Compliant
• Includes Amplifier Wiring Kit

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74
List price $309.98
-60% $124.48

In stock

• 200 watts x 2 channel @ 4 ohm
• 350 watts x 2 channel @ 2 ohm
• Bridged: 1400 watts x 1 channel @ 4 ohm
• Total RMS Power: 700 watts
• CEA-2006 Compliant
• Includes Amplifier Wiring Kit

DS18 SXE-1200.4/BK (Black) with Belva 4 Gauge Amp Kit

1200W Peak (400W RMS) Class AB SXE Series 4-channel Car Amplifier

SXE12004BK_BAK44 big
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1200W Peak (400W RMS) Class AB SXE Series 4-channel Car Amplifier

• 60 watts x 4 channel @ 4 ohm
• 100 watts x 4 channel @ 2 ohm
• Bridged: 200 watts x 2 channel @ 4 ohm
• Total RMS Power: 400 watts
• Class A/B 2 ohm Stable 4-Channel-Channel Amplifier (Black)
• Includes Amplifier Wiring Kit

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62
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-19% $190.94

In stock

Only 2 Left!

• 60 watts x 4 channel @ 4 ohm
• 100 watts x 4 channel @ 2 ohm
• Bridged: 200 watts x 2 channel @ 4 ohm
• Total RMS Power: 400 watts
• Class A/B 2 ohm Stable 4-Channel-Channel Amplifier (Black)
• Includes Amplifier Wiring Kit

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Rockford Fosgate Punch P400X4 + NVX XFLOC4 Line-Output-Converter

400W 4-Channel Amplifier (P400X.4) + NVX 4-Channel L.O.C. + 8 Gauge Amp Kit

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400W 4-Channel Amplifier (P400X.4) + NVX 4-Channel L.O.C. + 8 Gauge Amp Kit

• 50 Watts RMS x 4 @ 4 ohm
• 100 Watts RMS x 4 @ 2 ohm
• 200 Watts RMS x 2 @ 4 ohm, Bridged
• Built In NOMAD "Real Time" Analog Computer
• 4/3/2/1 Channel Operation
• 4 Gauge Power and Ground Inputs
• MESHA3 Reduces MOSFET Temperatures for Improved Durability

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88
List price $453.72
-21% $358.97

In stock

Only 1 Left!

• 50 Watts RMS x 4 @ 4 ohm
• 100 Watts RMS x 4 @ 2 ohm
• 200 Watts RMS x 2 @ 4 ohm, Bridged
• Built In NOMAD "Real Time" Analog Computer
• 4/3/2/1 Channel Operation
• 4 Gauge Power and Ground Inputs
• MESHA3 Reduces MOSFET Temperatures for Improved Durability

MTX PS400.2

400W RMS Class D PS Series 2-Channel Powersports Amplifier

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400W RMS Class D PS Series 2-Channel Powersports Amplifier

• 100 watts x 2 channel @ 4 ohm
• 200 watts x 2 channel @ 2 ohm
• Bridged: 400 watts x 1 channel @ 4 ohm
• Total RMS Power: 400 watts
• Class D 2 ohm Stable 2-Channel Amplifier

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List price $449.95
-11% $399.95

Available

Ships in 10-14 days

• 100 watts x 2 channel @ 4 ohm
• 200 watts x 2 channel @ 2 ohm
• Bridged: 400 watts x 1 channel @ 4 ohm
• Total RMS Power: 400 watts
• Class D 2 ohm Stable 2-Channel Amplifier

Rockford Fosgate R2-750X5 + FREE $100 Gift Card

350W RMS 5-Channel Prime Series Full Range Amplifier With Gift Card

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350W RMS 5-Channel Prime Series Full Range Amplifier With Gift Card

• 50 Watts RMS x 4 @ 4 ohm
• 100 Watts RMS x 4 @ 2 ohm
• Total Peak Power: 600 Watts
• CEA-2006 Compliant
• Balanced Differential Inputs with RCA Pass Through Outputs
• Variable Infrasonic Filter
• ull Range Class D

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7
List price $639.99
-16% $539.99

In stock

• 50 Watts RMS x 4 @ 4 ohm
• 100 Watts RMS x 4 @ 2 ohm
• Total Peak Power: 600 Watts
• CEA-2006 Compliant
• Balanced Differential Inputs with RCA Pass Through Outputs
• Variable Infrasonic Filter
• ull Range Class D

Belva BXA5002 with Belva 8 Gauge Amp kit

250W Max Class AB 2-Ohm Stable 2-Channel Amplifier Package

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250W Max Class AB 2-Ohm Stable 2-Channel Amplifier Package

• 125 watts x 2 channel @ 4 ohm
• 250 watts x 2 channel @ 2 ohm
• Total Peak Power: 500 watts
• Class A/B 2 ohm Stable 2-Channel-Channel
• Includes Amplifier Wiring Kit

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41
List price $239.94
-67% $79.98

In stock

• 125 watts x 2 channel @ 4 ohm
• 250 watts x 2 channel @ 2 ohm
• Total Peak Power: 500 watts
• Class A/B 2 ohm Stable 2-Channel-Channel
• Includes Amplifier Wiring Kit

Cerwin-Vega XED8005D with Belva 8 Gauge Amp Kit

XED Series 5-Channel Class D Amplifier

XED8005D, BAK84 big
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XED Series 5-Channel Class D Amplifier

• RMS Power: 80 watts x 4 chan. + 200 watts x 1 chan. @ 4 ohm
• 120 watts x 4 chan. + 280 watts x 1 chan. @ 2 ohm
• 330 watts x 1 chan. @ 1 ohm
• Total Peak Power: 1000 W
• CEA-2006 Compliant/Preamp Outputs/LPF
• Dimensions: 4.7"W x 10.3"L x 1.8"H

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57
List price $415.97
-24% $314.98

In stock

Only 1 Left!

• RMS Power: 80 watts x 4 chan. + 200 watts x 1 chan. @ 4 ohm
• 120 watts x 4 chan. + 280 watts x 1 chan. @ 2 ohm
• 330 watts x 1 chan. @ 1 ohm
• Total Peak Power: 1000 W
• CEA-2006 Compliant/Preamp Outputs/LPF
• Dimensions: 4.7"W x 10.3"L x 1.8"H

Rockford Fosgate Punch PM500X2 + FREE $100 Gift Card

500W Punch Series Class A/B 2-Channel Marine Amplifier

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500W Punch Series Class A/B 2-Channel Marine Amplifier

• 150 watts RMS x 2 chan. @ 4 ohm
• 250 watts RMS x 2 chan. @ 2 ohm
• 500 watts RMS x 1 chan. @ 4 ohm Bridged
• CEA-2006 Compliant
• Features C.L.E.A.N. Set-up
• Protected against Dust, UV, & Corrosion
• Marine grade two part epoxy coating on circuit boards

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5
List price $649.99
-15% $549.99

In stock

• 150 watts RMS x 2 chan. @ 4 ohm
• 250 watts RMS x 2 chan. @ 2 ohm
• 500 watts RMS x 1 chan. @ 4 ohm Bridged
• CEA-2006 Compliant
• Features C.L.E.A.N. Set-up
• Protected against Dust, UV, & Corrosion
• Marine grade two part epoxy coating on circuit boards

Limited time!

NVX VADM2 Amplifier with Amplifier Wiring Kit

440W RMS Full Range Class D 2-Channel Car/Marine/Powersports Amplifier

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440W RMS Full Range Class D 2-Channel Car/Marine/Powersports Amplifier

• 440 Watt True RMS Output!
• Marine Certified 2-Channel Micro Class D Amplifier
• 150W x 2-Chan. @ 4 ohm
• 220W x 2-Chan. @ 2 ohm
• 440W x 1-Chan. @ 4 ohm
• 3-Way System Protection
• 8 Gauge Power and Ground Inputs
• Extremely Small Footprint

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77
List price $335.98
-30% $236.77

In stock

• 440 Watt True RMS Output!
• Marine Certified 2-Channel Micro Class D Amplifier
• 150W x 2-Chan. @ 4 ohm
• 220W x 2-Chan. @ 2 ohm
• 440W x 1-Chan. @ 4 ohm
• 3-Way System Protection
• 8 Gauge Power and Ground Inputs
• Extremely Small Footprint

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    FAQ for Multi-channel Amplifiers for Adding Speakers in 1990 DeVille

    Q: Can I upgrade or change the Multi-channel Amplifiers for Adding Speakers in 1990 Cadillac DeVille?

    A: Yes this page includes all the best Multi-channel Amplifiers for Adding Speakers that work in your DeVille.

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    Modern vehicles often require specific brackets, wiring harnesses, and mounting solutions. A fit guide ensures:

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    Whether you're replacing a factory stereo or upgrading your entire audio system, the Fit Finder eliminates uncertainty.