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2003 Lexus SC430

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

Amps for Adding Speakers for 2003 Lexus SC430

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 FA2-400.4 with Amplifier Wiring Kit

400W RMS Formula Series Class-D 4-Channel Car Amplifier

FA2-400.4, BAK44 big
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400W RMS Formula Series Class-D 4-Channel Car Amplifier

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

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62
List price $272.98
-37% $172.99

Available

Ships in 10-14 days

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

Cerwin-Vega XED3002D with Belva 8 Gauge Amp Kit

250W RMS XED Series Class-D 2-Channel Car Amplifier

XED3002D, BAK82 big
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250W RMS XED Series Class-D 2-Channel Car Amplifier

• 80 watts x 2 channel @ 4 ohm
• 120 watts x 2 channel @ 2 ohm
• Bridged: 220 watts x 1 channel @ 4 ohm
• Class D 2 ohm Stable 2-Channel-Channel Amplifier

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97
List price $217.98
-36% $139.99

In stock.

• 80 watts x 2 channel @ 4 ohm
• 120 watts x 2 channel @ 2 ohm
• Bridged: 220 watts x 1 channel @ 4 ohm
• Class D 2 ohm Stable 2-Channel-Channel Amplifier

American Bass DB675.2FR with Belva 8 Gauge Amp Kit

500W Peak (220W RMS) DB Series Class-AB 2-Channel Amplifier

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500W Peak (220W RMS) DB Series Class-AB 2-Channel Amplifier

• 75 watts x 2 channel @ 4 ohm
• 130 watts x 2 channel @ 2 ohm
• Bridged: 220 watts x 1 channel @ 4 ohm
• Total RMS Power: 220 watts
• Class A/B 2 ohm Stable 2-Channel Amplifier
• Includes Amplifier Wiring Kit

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97
List price $187.08
-32% $127.16

In stock.

• 75 watts x 2 channel @ 4 ohm
• 130 watts x 2 channel @ 2 ohm
• Bridged: 220 watts x 1 channel @ 4 ohm
• Total RMS Power: 220 watts
• Class A/B 2 ohm Stable 2-Channel Amplifier
• Includes Amplifier Wiring Kit

Wet Sounds STX Micro-4 with NVX 8 Gauge Amp Kit

600W Peak (280W RMS) Class-D Compact 4-Channel 1-Ohm Stable Powersports Amplifier

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600W Peak (280W RMS) Class-D Compact 4-Channel 1-Ohm Stable Powersports Amplifier

• 80 Watts RMS x 4 @ 4 ohm
• 130 Watts RMS x 4 @ 2 ohm
• Bridged, 4 ohm: 280 watts x 2 chan.
• Total Peak Power: 600 Watts
• Frequency Response: 10 - 40kHz
• Dimensions: 4"W x 9.25"L x 1.5"H
• Includes Amplifier Wiring Kit

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39
List price $607.98
-8% $559.98

Available

Ships in 10-14 days

• 80 Watts RMS x 4 @ 4 ohm
• 130 Watts RMS x 4 @ 2 ohm
• Bridged, 4 ohm: 280 watts x 2 chan.
• Total Peak Power: 600 Watts
• Frequency Response: 10 - 40kHz
• Dimensions: 4"W x 9.25"L x 1.5"H
• Includes Amplifier Wiring Kit

DS18 NXL-M4 (Hydro) with NVX 4 Gauge Amp Kit

1800W Peak Class D HYDRO Series 4-Channel Full Range Marine and Powersports Amplifier

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1800W Peak Class D HYDRO Series 4-Channel Full Range Marine and Powersports Amplifier

• 150 watts x 4 channel @ 4 ohm
• 230 watts x 4 channel @ 2 ohm
• Bridged: 440 watts x 2 channel @ 4 ohm
• Total Peak Power: 1800 watts
• IPX5 waterproof rating
• Class D 2 ohm Stable 4-Channel-Channel Amplifier
• Includes Amplifier Wiring Kit

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80
List price $635.94
-11% $564.12

Available

Ships in 10-14 days

• 150 watts x 4 channel @ 4 ohm
• 230 watts x 4 channel @ 2 ohm
• Bridged: 440 watts x 2 channel @ 4 ohm
• Total Peak Power: 1800 watts
• IPX5 waterproof rating
• Class D 2 ohm Stable 4-Channel-Channel Amplifier
• Includes Amplifier Wiring Kit

Kicker 46CXA660.5 with Amp Kit and 3 Year Warranty

360W RMS CX-Series Class-D 5-Channel Amplifier with 4 Gauge Amp Kit

CXA660.5, 46CK4, 46KI46 big
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360W RMS CX-Series Class-D 5-Channel Amplifier with 4 Gauge Amp Kit

• 65 Watts RMS x 4 @ 4 ohm
• 90 Watts RMS x 4 @ 2 ohm
• 180 Watts RMS x 2 @ 4 ohm (bridged)
• 150 Watts RMS x 1 @ 4 ohm (sub channel)
• 300 Watts RMS x 1 @ 4 ohm (sub channel)
• Class A/B Full-Range Channel Amplifier w/Class-D Bass Channel
• KickEQ™ 6dB variable bass boost for those additional low frequencies
• FIT+™ (Fail-safe Integration Technology-PLUS) means it works with nearly every radio
• Amplifier wiring kit included

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15
List price $723.97
-17% $603.97

Available

Ships in 10-14 days

• 65 Watts RMS x 4 @ 4 ohm
• 90 Watts RMS x 4 @ 2 ohm
• 180 Watts RMS x 2 @ 4 ohm (bridged)
• 150 Watts RMS x 1 @ 4 ohm (sub channel)
• 300 Watts RMS x 1 @ 4 ohm (sub channel)
• Class A/B Full-Range Channel Amplifier w/Class-D Bass Channel
• KickEQ™ 6dB variable bass boost for those additional low frequencies
• FIT+™ (Fail-safe Integration Technology-PLUS) means it works with nearly every radio
• Amplifier wiring kit included

DS18 SMD-200.4AB with NVX 1/0 Gauge Amp Kit

800W RMS Class AB SMD Series 4 Channel Car Amplifier with Bass Remote

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800W RMS Class AB SMD Series 4 Channel Car Amplifier with Bass Remote

• 150 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 A/B 2 ohm Stable 4-Channel Amplifier
• Includes Amplifier Wiring Kit

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80
List price $605.94
-12% $534.12

In stock.

• 150 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 A/B 2 ohm Stable 4-Channel Amplifier
• Includes Amplifier Wiring Kit

Diamond Audio DES400.4D with NVX 8 Gauge Amp Kit

680W RMS DES Series 4-Channel Full Range Class D Amplifier

DES4004D_XKIT84 big
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680W RMS DES Series 4-Channel Full Range Class D Amplifier

• 100 watts x 4 channel @ 4 ohm
• 170 watts x 4 channel @ 2 ohm
• Bridged: 400 watts x 2 channel @ 4 ohm
• Total RMS Power: 680 watts
• Latest High-Efficiency Full-Range Digital Topology
• Class D 2 ohm Stable 4-Channel-Channel Amplifier
• Includes Amplifier Wiring Kit

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39
List price $657.98
-21% $519.99

In stock.

• 100 watts x 4 channel @ 4 ohm
• 170 watts x 4 channel @ 2 ohm
• Bridged: 400 watts x 2 channel @ 4 ohm
• Total RMS Power: 680 watts
• Latest High-Efficiency Full-Range Digital Topology
• Class D 2 ohm Stable 4-Channel-Channel Amplifier
• Includes Amplifier Wiring Kit

American Bass GODFATHER 1000.2 with NVX 8 Gauge Amp Kit

1240W RMS Godfather Series Class-D 2-Channel Amplifier

GF10002D_XKIT82 big
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1240W RMS Godfather Series Class-D 2-Channel Amplifier

• 400 watts x 2 channel @ 4 ohm
• 620 watts x 2 channel @ 2 ohm
• Bridged: 1300 watts x 1 channel @ 4 ohm
• Total RMS Power: 1300 watts
• Class D 2 ohm Stable 2-Channel Amplifier
• Includes Amplifier Wiring Kit

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60
List price $840.90
-22% $655.93

In stock.

• 400 watts x 2 channel @ 4 ohm
• 620 watts x 2 channel @ 2 ohm
• Bridged: 1300 watts x 1 channel @ 4 ohm
• Total RMS Power: 1300 watts
• Class D 2 ohm Stable 2-Channel Amplifier
• Includes Amplifier Wiring Kit

Diamond Audio MICRO85U with NVX 8 Gauge Amp Kit

950W RMS Micro Series 5-Channel Class-D Amplifier

MICRO85U_XKIT86 big
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950W RMS Micro Series 5-Channel Class-D Amplifier

• 200 watts x 1 channel + 80 watts x 4 channel @ 4 ohm
• 350 watts x 1 channel + 150 watts x 4 channel @ 2 ohm
• Bridged: 300 watts x 2 channel @ 4 ohm + 150 watts x 4 channel @ 2 ohm
• Total RMS Power: 950 watts
• Class D 2 ohm Stable 5-Channel-Channel Amplifier
• Includes Amplifier Wiring Kit

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82
List price $846.97
-22% $659.99

In stock.

• 200 watts x 1 channel + 80 watts x 4 channel @ 4 ohm
• 350 watts x 1 channel + 150 watts x 4 channel @ 2 ohm
• Bridged: 300 watts x 2 channel @ 4 ohm + 150 watts x 4 channel @ 2 ohm
• Total RMS Power: 950 watts
• Class D 2 ohm Stable 5-Channel-Channel Amplifier
• Includes Amplifier Wiring Kit

Cerwin-Vega CVPRO2K4 with NVX 4 Gauge Amp Kit

1000W Peak (520W RMS) CVPRO Series Class-D 4-Channel Amplifier

CVPRO2K4_XKIT44 big
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1000W Peak (520W RMS) CVPRO Series Class-D 4-Channel Amplifier

• 325 watts x 4 channel @ 4 ohm
• 520 watts x 4 channel @ 2 ohm
• Bridged: 1000 watts x 2 channel @ 4 ohm
• Total RMS Power: 520 watts
• Class D 2 ohm Stable 4-Channel Amplifier
• Includes Amplifier Wiring Kit

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80
List price $623.98
-23% $479.98

In stock.

• 325 watts x 4 channel @ 4 ohm
• 520 watts x 4 channel @ 2 ohm
• Bridged: 1000 watts x 2 channel @ 4 ohm
• Total RMS Power: 520 watts
• Class D 2 ohm Stable 4-Channel Amplifier
• Includes Amplifier Wiring Kit

Diamond Audio DXM800.4D with NVX 8 Gauge Amp Kit

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

DXM8004D_XKIT84 big
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800W RMS DXM Series Class-D 4-Channel Marine Amplifier

• 125 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-Channel Amplifier
• Includes Amplifier Wiring Kit

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39
List price $757.98
-14% $649.99

In stock.

• 125 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-Channel Amplifier
• Includes Amplifier Wiring Kit

Deaf Bonce MACHETE MFA-5.1000 with Belva 4 Gauge Amp Kit

480W RMS Class D Machete Series 5-Channel Full Range Car Amplifier

MFA51000_BAK46 big
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480W RMS Class D Machete Series 5-Channel Full Range Car Amplifier

• 80 watts x 4 channel + 300 watts x 1 channel @ 4 ohm
• 120 watts x 4 channel + 500 watts x 1 channel @ 2 ohm
• Bridged: 240 watts x 2 channel @ 4 ohm + 500 watts x 1 channel @ 2 ohm
• Total RMS Power: 480 watts
• Class D 4 ohm Stable 5-Channel-Channel Amplifier
• Includes Amplifier Wiring Kit

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25
List price $379.89
-13% $331.89

Available

Ships in 10-14 days

• 80 watts x 4 channel + 300 watts x 1 channel @ 4 ohm
• 120 watts x 4 channel + 500 watts x 1 channel @ 2 ohm
• Bridged: 240 watts x 2 channel @ 4 ohm + 500 watts x 1 channel @ 2 ohm
• Total RMS Power: 480 watts
• Class D 4 ohm Stable 5-Channel-Channel Amplifier
• Includes Amplifier Wiring Kit

Diamond Audio DES1000.5D with NVX 4 Gauge Amp Kit

1100W RMS DES Series Class-D 5-Channel Full-Range Amplifier

DES10005D_XKIT46 big
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1100W RMS DES Series Class-D 5-Channel Full-Range Amplifier

• 90 watts x 4 channel + 300 watts x 1 channel @ 4 ohm
• 150 watts x 4 channel + 500 watts x 1 channel @ 2 ohm
• Bridged: 300 watts x 2 channel @ 4 ohm + 500 watts x 1 channel @ 2 ohm
• Total RMS Power: 1000 watts
• Class D 2 ohm Stable 5-Channel Amplifier
• Includes Amplifier Wiring Kit

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45
List price $1009.98
-14% $869.99

In stock.

• 90 watts x 4 channel + 300 watts x 1 channel @ 4 ohm
• 150 watts x 4 channel + 500 watts x 1 channel @ 2 ohm
• Bridged: 300 watts x 2 channel @ 4 ohm + 500 watts x 1 channel @ 2 ohm
• Total RMS Power: 1000 watts
• Class D 2 ohm Stable 5-Channel Amplifier
• Includes Amplifier Wiring Kit

DS18 ZXI.4 with NVX 4 Gauge Amp Kit

2200W Peak (740W RMS) Class D ZXI Series 4 Channel Car Amplifier

ZXI4_XKIT44 big
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2200W Peak (740W RMS) Class D ZXI Series 4 Channel Car Amplifier

• 125 watts x 4 channel @ 4 ohm
• 185 watts x 4 channel @ 2 ohm
• Bridged: 370 watts x 2 channel @ 4 ohm
• Class D 2 ohm Stable 4-Channel-Channel Amplifier
• Includes Amplifier Wiring Kit

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80
List price $455.94
-16% $383.94

In stock.

• 125 watts x 4 channel @ 4 ohm
• 185 watts x 4 channel @ 2 ohm
• Bridged: 370 watts x 2 channel @ 4 ohm
• Class D 2 ohm Stable 4-Channel-Channel Amplifier
• Includes Amplifier Wiring Kit

DS18 NXL-N2 (Hydro) with NVX 8 Gauge Amp Kit

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

NXLN2_XKIT82 big
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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
• Includes Amplifier Wiring Kit

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60
List price $431.94
-9% $391.94

In stock.

• 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
• Includes Amplifier Wiring Kit

Hertz Venezia V4 Compact with NVX 4 Gauge Amp Kit

760W RMS Venezia Series Class-D 4-Channel Compact Marine Amplifier

VENCOMPACTV4C_XKIT44 big
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760W RMS Venezia Series Class-D 4-Channel Compact Marine Amplifier

• 110 watts x 4 channel @ 4 ohm
• 190 watts x 4 channel @ 2 ohm
• Total RMS Power: 760 watts
• Class D 2 ohm Stable 4-Channel Amplifier
• Includes Amplifier Wiring Kit

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80
List price $955.99
-27% $699.99

Available

Ships in 10-14 days

• 110 watts x 4 channel @ 4 ohm
• 190 watts x 4 channel @ 2 ohm
• Total RMS Power: 760 watts
• Class D 2 ohm Stable 4-Channel Amplifier
• Includes Amplifier Wiring Kit

MB Quart FA2-900.5 with NVX 4 Gauge Amp Kit

900W RMS Formula Series Class-D 5-Channel Car Amplifier

FA29005_XKIT46 big
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900W RMS Formula Series Class-D 5-Channel Car Amplifier

• 50 watts x 4 channel + 200 watts x 1 channel @ 4 ohm
• 100 watts x 4 channel + 250 watts x 1 channel @ 2 ohm
• Total RMS Power: 900 watts
• Class D Stable 5-Channel Amplifier
• Includes Amplifier Wiring Kit

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45
List price $554.99
-21% $435.99

Available

Ships in 10-14 days

• 50 watts x 4 channel + 200 watts x 1 channel @ 4 ohm
• 100 watts x 4 channel + 250 watts x 1 channel @ 2 ohm
• Total RMS Power: 900 watts
• Class D Stable 5-Channel Amplifier
• Includes Amplifier Wiring Kit

Autotek MM-3025.4D with Belva 4 Gauge Amp Kit

3000W Peak Class D Mean Machine Series 4-Channel Car Amplifier

MM30254D_BAK44 big
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3000W Peak Class D Mean Machine Series 4-Channel Car Amplifier

• 375 watts x 4 channel @ 4 ohm
• 750 watts x 4 channel @ 2 ohm
• Bridged: 1500 watts x 2 channel @ 4 ohm
• Total Peak Power: 3000 watts
• Class D Stable 4-Channel-Channel Amplifier
• Includes Amplifier Wiring Kit

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61
List price $329.98
-24% $249.99

Available

Ships in 10-14 days

• 375 watts x 4 channel @ 4 ohm
• 750 watts x 4 channel @ 2 ohm
• Bridged: 1500 watts x 2 channel @ 4 ohm
• Total Peak Power: 3000 watts
• Class D Stable 4-Channel-Channel Amplifier
• Includes Amplifier Wiring Kit

DS18 G1000.4D with Belva 4 Gauge Amp Kit

1000 Peak (600W RMS) Class D Gen-X Series 4 Channel Car Amplifier

G10004D_BAK44 big
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1000 Peak (600W RMS) Class D Gen-X Series 4 Channel Car Amplifier

• 90 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-Channel Amplifier
• Includes Amplifier Wiring Kit

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61
List price $259.94
-17% $214.94

In stock.

• 90 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-Channel Amplifier
• Includes Amplifier Wiring Kit

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    Q: Can I upgrade or change the Multi-channel Amplifiers for Adding Speakers in 2003 Lexus SC430?

    A: Yes this page includes all the best Multi-channel Amplifiers for Adding Speakers that work in your SC430.

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