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1974 Chevrolet Impala

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

Overview Upgrade your Speakers Add a Subwoofer Add an Amplifier Digital Sound Processors Audio Installation & Accessories Add a Backup Camera Independance Day Sale

Amps for Adding Speakers for 1974 Chevrolet Impala

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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Number of Channels
Each channel on an amplifier will power one speaker using a positive and negative cable. There are various types of amplifiers, each designed to power a certain number of speakers. Monoblock amplifiers, also known as single channel, are designed to power one or more subwoofers. These amplifiers often have very high power ratings. On the other hand, multi-channel amplifiers power multiple speakers, usually at lower power ratings. 2-Channel and 4-Channel amplifiers can power car speakers or low powered subwoofers. Occasionally you might see a 5 or 6-channel amplifier that can power speakers and subwoofers at the same time. The most common setup is a monoblock amp to run subwoofers and a 4-channel amp to run door speakers. Check out our Knowledge Base for more information.
Amplifier Key Features
Amplifiers can offer a diverse array of features. If you select more than one feature, then you will view amplifiers that have ALL features selected. These include speaker-level inputs that facilitate seamless integration with factory audio systems, Bluetooth connectivity suitable for ATV/UTV or Classic vehicle setups, built-in DSPs that provide enhanced control over your audio signal, and a host of other functionalities to explore.
Amplifier Class

An amplifier increases the power of the signal being fed to it by taking energy from its power supply and matching the signal but increasing its amplitude. Amplifiers use many different methods for converting these electrical signals and have been categorized into classes.

Class A/B: Greater than 50% of the input signal is amplified while the other percentage is “off”. These amplifiers have a small amount of current flowing through the output transistors all the time which almost eliminates crossover distortion. Class A/B has great sound quality but is not as efficient as class D. These amps are most commonly used to drive speakers.

Class D: Also known as switching amplifiers, class D amps have output transistors that are completely turned “on” or “off”. This means that when the transistors are on, there is almost no voltage across them but when they are off there is significant voltage but no current flowing through it which makes these amplifiers very efficient at the cost of sound quality. These amps are most commonly used to drive subwoofers.

Other Classes: You may see classes such as GH, bD, X, FD, etc. by some manufactures. These amplifiers tend to be either class A/B, D or a hybrid of the two but with improvements to their designs that can make them more efficient or offer better sound quality.
Total RMS Power Output
Total RMS power is measured by multiplying RMS power per channel by the number of channels, and is calculated at the lowest level of operating impedance.

RMS power is the amount of continuous power, measured in watts, that an amplifier produces is called RMS power. The higher the RMS figure, the louder and cleaner your music sounds.

The RMS output figure is much more accurate than the peak rating when comparing products.
Total Peak Power Output
The total peak power output is measured as the wattage per channel multiplied by the number of channels, and is calculated at the lowest level of operating impedance.

It is measured during a brief musical burst, such as a sudden drum accent. Some manufacturers display peak power ratings on the face of their products to increase the appeal.

The RMS power rating is more accurate, and we recommend using it for product comparison.
Series
Many brands group their products into series or lines of products to help customers know the level of quality (good, better, best for example). You can filter by series and the brand using our guided browsing.
Punch Series (31)
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Minimum Impedance Unbridged
The lowest impedance the amplifier will handle when it is not bridged.
Minimum Impedance Bridged
The lowest impedance the amplifier will handle when it is bridged.
Remote bass/level controller
If the amp comes with a bass/gain remote you will be able to control the level of your bass from your dashboard. Typically bass remotes also include a 16-20 ft. wire for installation.
Sonic Certified Amplifier
Sonic Certified amplifiers have been tested by the experts at Sonic Electronix to meet or exceed the wattage ratings provided by the manufacturer. If this is marked as Yes, then you can trust the wattage ratings. If marked as No, then we have tested the amplifier and it did not meet the advertised wattage ratings. If marked as Not Tested, then the Sonic Electronix experts have not yet been able to test the amp.
Preamp Outputs
Many amplifiers are equipped with RCA preamp outputs which pass the original music signal from the source to additional amplifiers. This is known as daisy chaining because the source connects to the first amp, and the first amp connects to the second amp, etc. The advantage to daisy chaining is you only need one 2-channel RCA cable to transfer the signal from the head-unit to the amplifier, and then one additional cable for each amp being daisy chained.
Built-in Crossover

A crossover is a type of filtering system that permits only certain frequencies to play. A Low-Pass (LP) crossover allows only frequencies below its setting to get through which is good in the case of some subwoofers. A High-Pass(HP) filter allows frequencies above its setting to pass through, this is normally used on speakers.

When a crossover is set to FULL it means no filtering is added and the full frequency spectrum is allowed through the amplifier. Filtering is important because feeding a speaker frequencies it cannot reproduce effectively creates distortion.

Amp Bluetooth Connectivity
This feature will tell you if the amplifier has the capability to connect to a Bluetooth device.
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Kicker PXA1000.5 (48PXA10005)

1400W Peak (1000W RMS) Class D PXA Series 5-Channel Marine and Powersports Amplifier

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Kicker PXA1000.5 (48PXA10005)

1400W Peak (1000W RMS) Class D PXA Series 5-Channel Marine and Powersports Amplifier

• 100 watts x 4 channel + 300 watts x 1 channel @ 4 ohm
• 150 watts x 4 channel + 500 watts x 1 channel @ 2 ohm
• 700 watts x 1 channel @ 1 ohm (subwoofer output)
• Bridged: 200 watts x 2 channel @ 4 ohm
• Total RMS Power: 1000 watts
• Class D 2 ohm Stable 5-Channel Amplifier

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Jensen JAFOUR

950W Peak (880W RMS) Class D JA Series 4-Channel Car Amplifier

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Jensen JAFOUR

950W Peak (880W RMS) Class D JA Series 4-Channel Car Amplifier

• 130 watts x 4 channel RMS @ 4 ohm
• 215 watts x 4 channel RMS @ 2 ohm
• Bridged: 440 watts x 2 channel RMS @ 4 ohm
• Total RMS Power: 880 watts
• Class D 2 ohm Stable 4-Channel Amplifier

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• 130 watts x 4 channel RMS @ 4 ohm
• 215 watts x 4 channel RMS @ 2 ohm
• Bridged: 440 watts x 2 channel RMS @ 4 ohm
• Total RMS Power: 880 watts
• Class D 2 ohm Stable 4-Channel Amplifier

MTX Terminator TN3004

300W RMS Class D Terminator Series 4 Channel Car Amplifier

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MTX Terminator TN3004

300W RMS Class D Terminator Series 4 Channel Car Amplifier

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

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Alpine S2-A55V with Amplifier Wiring Kit

540W RMS S-Series Class-D 5-Channel Amplifier + NVX 4 Gauge 6-Channel Wiring Kit

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Alpine S2-A55V with Amplifier Wiring Kit

540W RMS S-Series Class-D 5-Channel Amplifier + NVX 4 Gauge 6-Channel Wiring Kit

• 40 watts x 4 channel + 200 watts x 1 channel @ 4 ohm
• 60 watts x 4 channel + 300 watts x 1 channel @ 2 ohm
• Bridged: 120 watts x 2 channel @ 4 ohm + 300 watts x 1 channel @ 2 ohm
• Total RMS Power: 540 watts
• Class D 2 ohm Stable 5-Channel-Channel Amplifier

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• 40 watts x 4 channel + 200 watts x 1 channel @ 4 ohm
• 60 watts x 4 channel + 300 watts x 1 channel @ 2 ohm
• Bridged: 120 watts x 2 channel @ 4 ohm + 300 watts x 1 channel @ 2 ohm
• Total RMS Power: 540 watts
• Class D 2 ohm Stable 5-Channel-Channel Amplifier

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Hertz HCP 5D

1500W Peak (750W RMS) Class D Hertz Compact Power (HCP) Series 5-Channel Full Range Car Amplifier

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Hertz HCP 5D

1500W Peak (750W RMS) Class D Hertz Compact Power (HCP) Series 5-Channel Full Range Car Amplifier

• 55 watts x 4 channel + 160 watts x 1 channel @ 4 ohm
• 90 watts x 4 channel + 280 watts x 1 channel @ 2 ohm
• Bridged: 180 watts x 2 channel + 160 watts x 1 channel @ 4 ohm
• Bridged: 180 watts x 2 channel + 280 watts x 1 channel @ 2 ohm
• Total RMS Power: 750 watts
• Class D 2 ohm Stable 5-Channel-Channel Amplifier

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NVX XKIT86

NVX XKIT86

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DS18 SXE-3000.4D/RD

3000W Peak (1360W RMS) Class D SXE Series 4 Channel Full Range Car Amplifier

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DS18 SXE-3000.4D/RD

3000W Peak (1360W RMS) Class D SXE Series 4 Channel Full Range Car Amplifier

• 200 watts x 4 channel @ 4 ohm
• 320 watts x 4 channel @ 2 ohm
• Bridged: 500 watts x 2 channel @ 4 ohm
• Total RMS Power: 1360 watts
• Class D 2 ohm Stable 4-Channel Amplifier

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NVX XKIT44

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JBL DSP4086 (DSP 4086) + Amp Kit

8-Channel Class D Amplifier Design with Digital Signal Processing + NVX Premium 8 Gauge Amp Wiring Kit

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JBL DSP4086 (DSP 4086) + Amp Kit

8-Channel Class D Amplifier Design with Digital Signal Processing + NVX Premium 8 Gauge Amp Wiring Kit

• 40 Watts RMS x 8 @ 4 ohm
• 60 Watts RMS x 8 @ 2 ohm
• Total Peak Power: 1000 Watts
• CEA-2006 Compliant
• Frequency Response:10Hz to 22kHz

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• 40 Watts RMS x 8 @ 4 ohm
• 60 Watts RMS x 8 @ 2 ohm
• Total Peak Power: 1000 Watts
• CEA-2006 Compliant
• Frequency Response:10Hz to 22kHz

Cerwin Vega B52

1000W Peak (500W RMS) Class D Stealth Bomber Series 2 Channel Car Amplifier with Bass Remote

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Cerwin Vega B52

1000W Peak (500W RMS) Class D Stealth Bomber Series 2 Channel Car 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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JL Audio JD700/5

700W RMS Class D JD Series 5-Channel Car Amplifier

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JL Audio JD700/5

700W RMS Class D JD Series 5-Channel Car 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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MB Quart RA1-150.2

100W RMS Class D Reference Series 2 Channel Car Amplifier

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MB Quart RA1-150.2

100W RMS Class D Reference Series 2 Channel Car 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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Stinger SPX1000X5

1100W RMS Class D 5-Channel Marine and Powersport Amplifier with Bluetooth and Bass Remote

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Stinger SPX1000X5

1100W RMS Class D 5-Channel Marine and Powersport Amplifier with Bluetooth and Bass Remote

• 95 watts x 4 channel + 275 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: 1100 watts
• Class D 2 ohm Stable 5-Channel Amplifier

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• 95 watts x 4 channel + 275 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: 1100 watts
• Class D 2 ohm Stable 5-Channel Amplifier

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DS18 G4000.5D

4000W Peak (1480W RMS) Class D Gen-X Series 5 Channel Car Amplifier with Bass Remote

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DS18 G4000.5D

4000W Peak (1480W RMS) Class D Gen-X Series 5 Channel Car Amplifier with Bass Remote

• 130 watts x 4 channel + 300 watts x 1 channel @ 4 ohm
• 220 watts x 4 channel + 600 watts x 1 channel @ 2 ohm
• Bridged: 420 watts x 2 channel @ 4 ohm + 600 watts x 1 channel @ 2 ohm
• Total RMS Power: 1480 watts
• Class D 2 ohm Stable 5-Channel Amplifier

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List price $395.95
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Sundown Audio SAM-100.4

400W RMS Class D SAM Series 4-Channel Marine and Amplifier with Bluetooth

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Sundown Audio SAM-100.4

400W RMS Class D SAM Series 4-Channel Marine and Amplifier with Bluetooth

• 700 watts x 4 channel @ 4 ohm
• 400 watts x 4 channel @ 2 ohm
• Bridged: 700 watts x 4 channel @ 4 ohm
• Total RMS Power: 400 watts
• Class D 2 ohm Stable 4-Channel Amplifier

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List price $419.99
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• 700 watts x 4 channel @ 4 ohm
• 400 watts x 4 channel @ 2 ohm
• Bridged: 700 watts x 4 channel @ 4 ohm
• Total RMS Power: 400 watts
• Class D 2 ohm Stable 4-Channel Amplifier

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Deaf Bonce Machete MFA 2.320

960W RMS Class D Machete Series 2 Channel Car Amplifier

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Deaf Bonce Machete MFA 2.320

960W RMS Class D Machete Series 2 Channel Car Amplifier

• 320 watts x 2 channel @ 4 ohm
• 480 watts x 2 channel @ 2 ohm
• Bridged: 960 watts x 1 channel @ 4 ohm
• Total RMS Power: 960 watts
• Class D 2 ohm Stable 2-Channel Amplifier

Save 30% on an NVX XKIT42 Amp Kit with Purchase!
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NVX XAPK4 + XIV25 (XKIT42 Sub)

NVX XAPK4 + XIV25 (XKIT42 Sub)

$114.99

$80.49

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Cerwin-Vega S91100.5D

1100W RMS Class D Stroker Series 5-Channel Car Amplifier with Bass Remote

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Cerwin-Vega S91100.5D

1100W RMS Class D Stroker Series 5-Channel Car Amplifier with Bass Remote

• 90 watts x 4 channel + 150 watts x 2 channel @ 4 ohm
• 150 watts x 4 channel + 250 watts x 1 channel @ 2 ohm
• Bridged: 300 watts x 2 channel @ 4 ohm + 250 watts x 1 channel @ 2 ohm
• Total RMS Power: 1100 watts
• Class 2 ohm Stable 5-Channel Amplifier

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List price $719.99
-17% $599.99

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Infinity Reference 7005A (AMPRF7005AAM)

760W RMS Class AB/D Reference Series 5 Channel Car Amplifier

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Infinity Reference 7005A (AMPRF7005AAM)

760W RMS Class AB/D Reference Series 5 Channel Car Amplifier

• 50 watts x 4 channel + 320 watts x 1 channel @ 4 ohm
• 65 watts x 4 channel + 500 watts x 1 channel @ 2 ohm
• Bridged: 140 watts x 2 channel @ 4 ohm + 500 watts x 1 channel @ 2 ohm
• Total RMS Power: 760 watts
• Class AB / D 2 ohm Stable 5-Channel Amplifier

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NVX MVPA2

1200W Peak (600W RMS) Class D Marine-V Series 2-Channel Marine/Powersports/Motorcycle Amplifier

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NVX MVPA2

1200W Peak (600W RMS) Class D Marine-V Series 2-Channel Marine/Powersports/Motorcycle 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 Amplifier

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Hertz Venezia V6

1740W RMS Class D Venezia Series 6-Channel Marine Amplifier

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Hertz Venezia V6

1740W RMS Class D Venezia Series 6-Channel Marine Amplifier

• 160 watts x 6 channel @ 4 ohm
• 290 watts x 6 channel @ 2 ohm
• Total RMS Power: 1740 watts
• Class D 2 ohm Stable 6-Channel Amplifier

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JL Audio MHD600/4

600W RMS Class D MHD Series 4 Channel Marine Amplifier

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JL Audio MHD600/4

600W RMS Class D MHD Series 4 Channel Marine Amplifier

• 150 watts x 4 channel (rated power from 1.5 to 4 ohm)
• Bridged: 300 watts x 2 channel (rated power from 4 to 8 ohm)
• Total RMS Power: 600 watts
• Class D 1.5 ohm Stable 4-Channel Amplifier

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Belva BXA6404 with Belva 8 Gauge Amp Kit

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

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Belva BXA6404 with Belva 8 Gauge Amp Kit

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

• @ 4 ohm
• @ 2 ohm
• Bridged: @ 4 ohm
• Total Peak Power: 640 watts
• Class A/B 2 ohm Stable 4-Channel-Channel
• Includes Amplifier Wiring Kit

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• @ 4 ohm
• @ 2 ohm
• Bridged: @ 4 ohm
• Total Peak Power: 640 watts
• Class A/B 2 ohm Stable 4-Channel-Channel
• Includes Amplifier Wiring Kit

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