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4-Channel Amplifier

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Alpine

4-Channel Power Pack Amplifier with PowerStack Capability
4-Channel Power Pack Amplifier with PowerStack Capability

Alpine KTA-450

4-Channel Power Pack Amplifier with PowerStack Capability
Reviews
With the highest performance value on the market, this mono-power amplifier provides an easy update path to add more bass to a sound system in vehicles that don't normally have the room for a traditional amplifier. Utilizing Alpine's exclusive Dynamic...

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$349.99 Sale: $29.01 off $379.00
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Alpine

4-Channel Weather Resistant Tough Power Pack Amplifier
4-Channel Weather Resistant Tough Power Pack Amplifier

Alpine KTA-30FW

4-Channel Weather Resistant Tough Power Pack Amplifier
Reviews
With the highest performance value on the market, this 4-channel-power amplifier provides an easy update path to add more bass to a sound system in vehicles that don't normally have the room for a traditional amplifier. Utilizing Alpine's exclusive Dynamic...

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$699.99
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Rockford Fosgate

400 Watt Class-AD 4-Channel Element Ready™ Amplifier
400 Watt Class-AD 4-Channel Element Ready™ Amplifier

Rockford Fosgate TM400X4AD

400 Watt Class-AD 4-Channel Element Ready™ Amplifier
Reviews
The TM400X4ad is a powerful and compact 400 Watt 4-channel amplifier. The amplifier features our proprietary high efficiency Class-ad topology for maximum power, sound quality and efficiency in full-range amplifier. It also integrates our patented Constant Power technology which results...

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$889.99 Sale: $160.00 off $1,049.99
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Alpine

Next-Generation S-Series 4-Channel Amplifier
Next-Generation S-Series 4-Channel Amplifier

Alpine S2-A36F

Next-Generation S-Series 4-Channel Amplifier
Reviews
The Next-Gen Alpine S-Series S2-A36F 4-Channel Amplifier is Hi-Res Audio Certified and able to reproduce up to 40kHz frequency response. This ultra-wide bandwidth coupled with the elevated S-Series design brings out a new benchmark for entry-level performance and price. The...

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$399.99 Sale: $50.00 off $449.99
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Audison

Voce 800W 4-Channel Amplifier AB Class
Voce 800W 4-Channel Amplifier AB Class

Audison AVQUATTRO

Voce 800W 4-Channel Amplifier AB Class
Reviews
AV quattro is a four-channel amplifier capable of working in four, three, or two-channel modes, and delivering a total power of 1700 W (RMS). It is designed to handle complex front/rear and multichannel system configurations.  The AMP (Amplifier Management Processor) constantly monitors the operating...

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$2,099.99 Sale: $200.00 off $2,299.99
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Audison

Thesis 1040W 4-Channel A-Class Amplifier
Thesis 1040W 4-Channel A-Class Amplifier

Audison THQUATTRO

Thesis 1040W 4-Channel A-Class Amplifier
Reviews
Thesis amplifiers are born with the know-how and experience achieved with the HV venti, improved by the innovation of digital technology. The result is a perfect combination between the highest level of analog technology and the advanced features of the...

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$7,419.99 Sale: $200.00 off $7,619.99
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Audison

Prima 520W D-Class 4-Channel Amplifier
Prima 520W D-Class 4-Channel Amplifier

Audison AP4D

Prima 520W D-Class 4-Channel Amplifier
Reviews
The AP4 D amplifier was designed as an extension for the AP 4.9 bit and AP 5.9 bit amplifiers, offering 4 additional 70 W amplified channels.   Features: 1: 4 x 130 W @ 2 ohm 2: D-class Fully Bridgeable...

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$639.99 Sale: $30.00 off $669.99
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Alpine

Universal Power Pack
Universal Power Pack

Alpine KTP-445U

Universal Power Pack
Reviews
This 4-channel-power amplifier provides an easy update path to add more bass to a sound system in vehicles that don't normally have the room for a traditional amplifier. With the compact, Power Pack design, the amplifier can fit in hidden...

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$399.99 Sale: $100.00 off $499.99
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Alpine

Status Hi-Resolution 4-Channel Amplifier
Status Hi-Resolution 4-Channel Amplifier

Alpine HDA-F60

Status Hi-Resolution 4-Channel Amplifier
Reviews
Alpine's Status System components will play your high-resolution music files with incredible high-quality, studio-level purity and sonic fidelity, with a stereo image that'll leave you breathless — almost as if the musicians are playing inside your car. The HDA-F60 four-channel...

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$1,349.99
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Alpine

Next-Generation R-Series 4-Channel Amplifier
Next-Generation R-Series 4-Channel Amplifier

Alpine R2-A60F

Next-Generation R-Series 4-Channel Amplifier
Reviews
Using “trickle-down” technology, inspired design, and performance cues from the Ultra-High-Resolution AlpineF#1Status systems, the Next-Generation R-Series Amplifiers feature High-Resolution Playback capabilities that will take this legendary system to the next level in sound performance. The Next-Generation R-Series amplifiers are Hi-Res...

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$699.99 Sale: $50.00 off $749.99
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Alpine

Mono Weather Resistant Tough Power Pack
Mono Weather Resistant Tough Power Pack

Alpine KTA-30MW

Mono Weather Resistant Tough Power Pack
Reviews
With the highest performance value on the market, this mono-power amplifier provides an easy update path to add more bass to a sound system in vehicles that don't normally have the room for a traditional amplifier. Utilizing Alpine's exclusive Dynamic...

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$699.99
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Alpine

Head Unit Power Pack
Head Unit Power Pack

Alpine KTP-445A

Head Unit Power Pack
Reviews
This 4-channel-power amplifier provides an easy update path to add more bass to a sound system in vehicles that don't normally have the room for a traditional amplifier. With the compact, Power Pack design, the amplifier can fit in hidden...

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$399.99 Sale: $100.00 off $499.99
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Hertz

D-Class 4 Channel Amplifier
D-Class 4 Channel Amplifier

Hertz DPOWER4D-P

D-Class 4 Channel Amplifier
Reviews
Excellent for OEM systems upgrade, the Hertz DPower4 four channels car audio amplifiers is ultra-compact to ensure effortless installations in the increasingly narrow spaces of modern vehicles or in the factory amp area. The efficient D Class circuit delivers 600 W of maximum power within a compact chassis, an essential requirement...

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$269.99 Sale: $50.00 off $319.99
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Hertz

High Power D-Class Four Channel Amplifier
High Power D-Class Four Channel Amplifier

Hertz HCP4DK-P

High Power D-Class Four Channel Amplifier
Reviews
HCP 4D is a D Class car audio amplifier, able to offer up to 1160W (RMS); it is the ideal choice for those who want high power levels in complex systems. Extremely versatile, complete in its functions, provided with Speaker-In...

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$539.99 Sale: $100.00 off $639.99
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Hertz

4 Channel 1160W D-Class Amplifier
4 Channel 1160W D-Class Amplifier

Hertz HCP4D-P

4 Channel 1160W D-Class Amplifier
Reviews
Extremely versatile, complete in its functions, provided with Speaker-In and RCA-In inputs to work with any head units, it has been designed to work also in mono (selectable mode), for a three-channel system with sub and front, or a powerful...

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$409.99 Sale: $80.00 off $489.99
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Hertz

4-channel car amplifier 50 watts RMS x 4
4-channel car amplifier 50 watts RMS x 4

Hertz HCP4-P

4-channel car amplifier 50 watts RMS x 4
Reviews
HCP 4 is a four channels car audio amplifier designed to reproduce any musical genres with four separate channels for multiple configurations. Pre-amplified (Pre-In) inputs and high-level (Speaker-In) inputs allow for connection with any head units. Built to work both...

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$349.99 Sale: $70.00 off $419.99
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Hertz

4-channel car amplifier — 120 watts RMS x 4
4-channel car amplifier — 120 watts RMS x 4

Hertz MLPOWER4

4-channel car amplifier — 120 watts RMS x 4
Reviews
Mille power amplifiers are born to fully enhance the outstanding performance of the Mille speakers. The new ADC (ADVANCED D-CLASS TECHNOLOGY) ensures pure listening pleasure while keeping a compact size with unmatched power efficiency. The heat sink, engineered with double technology, extrusion and aluminium die-casting, enables...

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$849.99 Sale: $150.00 off $999.99
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Pioneer

Pioneer GM-A4704
Pioneer GM-A4704

Pioneer GM-A4704

Pioneer GM-A4704
Reviews
Technology of the GM Series From dramatic distinction to dramatic design, Pioneer's new GM-Series amplifiers are thrillers in every sense, pushing the limits of flexibility and functionality. 520 Watts Max Power Automatic signal sensing and Turn-ON Variable high pass filter...

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$199.99
OUT OF STOCK

Pioneer

Pioneer GM-A6704
Pioneer GM-A6704

Pioneer GM-A6704

Pioneer GM-A6704
Reviews
Technology of the GM Series From dramatic distinction to dramatic design, Pioneer's new GM-Series amplifiers are thrillers in every sense, pushing the limits of flexibility and functionality. 1000 Watts Max Power Automatic signal sensing and Turn-ON Variable high pass filter Adjustable...

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$289.99
OUT OF STOCK

Pioneer

Pioneer GM-D1004
Pioneer GM-D1004

Pioneer GM-D1004

Pioneer GM-D1004
Reviews
GM-D1004 4-channel amplifier will power your front and rear speakers with 45 watts RMS each which is almost three times the power of a typical factory radio or aftermarket receiver. This compact amplifier runs so efficiently that it can often...

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$219.99
OUT OF STOCK

Pioneer

Pioneer GM-D8704
Pioneer GM-D8704

Pioneer GM-D8704

Pioneer GM-D8704
Reviews
GM-D8704 4-channel amplifier will greatly improve the sound quality in your vehicle. This amplifier will power your front and rear speakers with 100 watts RMS each. You will hear much more of the little details in your music, especially when...

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$399.99
OUT OF STOCK

Pioneer

Pioneer GM-DX874
Pioneer GM-DX874

Pioneer GM-DX874

Pioneer GM-DX874
Reviews
The Pioneer GM-DX874 four-channel amplifier will deliver 100 watts RMS to each of your front and rear speakers, for powerful music. Highly efficient Class D technology keeps this powerful amp running as cool as it looks, and allows for a...

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$329.99 Sale: $70.00 off $399.99
OUT OF STOCK

Rockford Fosgate

Prime 500 Watt 4-Channel Amplifier
Prime 500 Watt 4-Channel Amplifier

Rockford Fosgate R2-500X4

Prime 500 Watt 4-Channel Amplifier
Reviews
Primed for Performance, the R2-500X4 amplifier is a 500 watt, full-range class-D, capable of operating at 4Ω or 2Ω stereo, and 4Ω bridged/mono. This amplifier is extremely efficient because of its class D technology which reduces demand on the vehicles...

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$349.99 Sale: $210.00 off $559.99
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Rockford Fosgate

Prime 300 Watt 4-Channel Amplifier
Prime 300 Watt 4-Channel Amplifier

Rockford Fosgate R2-300X4

Prime 300 Watt 4-Channel Amplifier
Reviews
Primed for Performance, the R2-300X4 amplifier is a 300 watt, full-range class-D, capable of operating at 4Ω or 2Ω stereo, and 4Ω bridged/mono. This amplifier is extremely efficient because of its class D technology which reduces demand on the vehicles...

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$299.00 Sale: $180.99 off $479.99
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Rockford Fosgate

Punch 600 Watt 4-Channel Amplifier
Punch 600 Watt 4-Channel Amplifier

Rockford Fosgate P600X4

Punch 600 Watt 4-Channel Amplifier
Reviews
The Punch P600X4 is a 4-channel amplifier producing 150 Watts into all four channels at 2-Ohm. The P600X4 is perfect for a 4-way full-range system or a 3-way system having a front stage with subwoofers on the rear channels. The...

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$699.99 Sale: $130.00 off $829.99
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Rockford Fosgate

Punch 400 Watt 4-Channel Amplifier
Punch 400 Watt 4-Channel Amplifier

Rockford Fosgate P400X4

Punch 400 Watt 4-Channel Amplifier
Reviews
The Punch P400X4 is a 4-channel amplifier producing 100 Watts into all four channels at 2-Ohm. The P400X4 is perfect for a 4-way full-range system or a 3-way system having a front stage with subwoofers on the rear channels. The...

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$529.99 Sale: $90.00 off $619.99
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Rockford Fosgate

Punch 400 Watt Full-Range 4-Channel Amplifier
Punch 400 Watt Full-Range 4-Channel Amplifier

Rockford Fosgate PBR400X4D

Punch 400 Watt Full-Range 4-Channel Amplifier
Reviews
The Punch PBR400X4D is a 400 Watt full-range amp designed for compact systems. This efficient 4-channel amp packs a Punch in UTVs, motorcycles, and hybrid-electric vehicles without sucking a lot of juice from your electrical system. The Rockford PBR400X4D is...

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$409.99 Sale: $80.00 off $489.99
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Rockford Fosgate

Power 1,000 Watt Class-ad Full-Range 4-Channel Amplifier
Power 1,000 Watt Class-ad Full-Range 4-Channel Amplifier

Rockford Fosgate T1000-4AD

Power 1,000 Watt Class-ad Full-Range 4-Channel Amplifier
Reviews
The Power T1000-4ad is a 4-channel amplifier that combines the sound quality characteristics of a Class-A design with the efficiency of a Class-D in one remarkable package, offering high fidelity in a full-range configuration. The T1000-4ad combines sound quality characteristics...

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$1,499.99 Sale: $270.00 off $1,769.99
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Rockford Fosgate

Power 600 Watt 4-Channel Amplifier
Power 600 Watt 4-Channel Amplifier

Rockford Fosgate T600-4

Power 600 Watt 4-Channel Amplifier
Reviews
The Power T600-4 is a 4-channel amplifier capable of producing 150 Watts into each of its four channels at 2-Ohms. The T600-4 can run a 4-way full-range system or use component speakers on the front with subwoofers on the rear....

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$939.99 Sale: $170.00 off $1,109.99
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Rockford Fosgate

Power 400 Watt 4-Channel Amplifier
Power 400 Watt 4-Channel Amplifier

Rockford Fosgate T400-4

Power 400 Watt 4-Channel Amplifier
Reviews
The Power T400-4 is a 4-channel amplifier capable of producing 100 Watts into each of its four channels at 2-Ohms. The T400-4 can run a 4-way full-range system or use component speakers on the front with subwoofers on the rear....

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$629.99 Sale: $120.00 off $749.99
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Rockford Fosgate

Power 400 Watt Class-ad 4-Channel Amplifier
Power 400 Watt Class-ad 4-Channel Amplifier

Rockford Fosgate T400X4AD

Power 400 Watt Class-ad 4-Channel Amplifier
Reviews
The Power T400X4ad is an ultra-compact, high efficiency 400 Watt 4-channel amplifier. Features multi-impedance Constant Power, input/output clip detection, top mounted controls and dual fan forced induction cooling. Perfect for hybrid, electric, small cars, trucks, motorcycles, and side-by-side UTVs. The...

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$809.99 Sale: $150.00 off $959.99
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