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4-Channel Amplifiers

1000W Max, 4-Channel Class A/B Zeus Series Car Amplifier
Free Ground Shipping within the 48 states
4-Channel Class A/B Zeus Series Car Amplifier • 4 ohms: 125 watts x 4 chan. • 2 ohms: 250 watts x 4 chan. • Pulse Width Modulated MOSFET Power Supply • CEA-2006 Compliant Amplifier
$129.99
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  • 4.7
  (3 reviews)
600W Max, 4-Channel Class A/B Zeus Series Car Amplifier
Free Ground Shipping within the 48 states
4-Channel Class A/B Zeus Series Car Amplifier • 4 ohms: 75 watts x 4 chan. • 2 ohms: 150 watts x 4 chan. • Bridged, 4 ohm: 300 watts x 2 chan. • Pulse Width Modulated MOSFET power supply
$99.99
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  • 4.4
  (5 reviews)
1000W Max 4-Channel Class A/B Power One Series Car Amplifier
Free Ground Shipping within the 48 states
Power One Series 4-Channel Class A/B Car Amplifier • 1000W Max • 125W x 4-Chan @ 2 Ohm • SEPP Analog Amplifier • Variable Bass Boost • Speaker-Level Inputs • Preamp RCA Outputs • 3-Way System Protection Circuitry
$84.99
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600W Max 4-Channel Class A/B Power One Series Car Amplifier
Free Ground Shipping within the 48 states
Power One Series 4-Channel Class A/B Car Amplifier • 600W Max • 75W x 4-Chan @ 2 Ohm • SEPP Analog Amplifier • Variable Bass Boost • Speaker-Level Inputs • Preamp RCA Outputs • 3-Way System Protection Circuitry
$74.99
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  • 5.0
  (1 review)
800W Max 4-Channel Onyx Series Full Range Bridgeable Power Amplifier (OA8004)
Free Ground Shipping within the 48 states
Onyx Series 4-Channel Class SQ Amplifier • 100W x 4 Chan. @ 4 ohms • 200W x 4 Chan. @ 2 ohms • 400W x 2 Chan. @ 4 ohms • 3-Way System Protection • 4/3/2/1 Channel Operation • 4 Gauge Power and Ground Inputs • FLUID-FETS Circuit for Smooth Sound Quality
$139.00
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800W 4-Channel Full Range Digital XTX Series Car Amplifier
Free Ground Shipping within the 48 states
XTX Series 4-Channel Full Range Digital Car Amplifier • 800W Dynamic • 2-Way System Protection • Brushed Aluminum Alloy Convection Cooled Heatsink • Variable High/Low-Pass Filter • Selectable Bass Boost
$124.95
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  • 3.7
  (3 reviews)
1000W Max Mean Machine Series 4-Channel Car Audio Amplifier
Free Ground Shipping within the 48 states
Mean Machine Series 4-Channel Class A/B Car Amplifier • 1000 Watts Max • 250 Watts x 4 Chan. @ 2 Ohms • 4-Way System Protection • Selectable Highpass/Lowpass Filters
$92.87
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  • 5.0
  (2 reviews)
440W RMS Class AB 4-Channel/Stereo Bridgeable Car Power Amplifier
Free Ground Shipping within the 48 states
REP Series 4-Channel Class AB Amplifier • 85W x 4 Chan. @ 4 ohms • 110W x 4 Chan. @ 2 ohms • 220W x 2 Chan. @ 4 ohms • 3-Way System Protection • 2/1 Channel Operation • 8 Gauge Power and Ground Inputs • Speaker Level Inputs
$79.99
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600W Max 4-Channel Onyx Series Full Range Bridgeable Power Amplifier (OA6004)
Free Ground Shipping within the 48 states
Onyx Series 4-Channel Class SQ Amplifier • 75W x 4 Chan. @ 4 ohms • 150W x 4 Chan. @ 2 ohms • 300W x 2 Chan. @ 4 ohms • 3-Way System Protection • 4/3/2/1 Channel Operation • 4 Gauge Power and Ground Inputs • FLUID-FETS Circuit for Smooth Sound Quality
$119.99
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900W Max PowerZone Series 4-Channel Car Audio Amplifier (PZ9004)
Free Ground Shipping within the 48 states
PowerZone Series 4-Channel Class A/B Car Amplifier • 900 Watts Max • 225 Watts x 4 Chan. @ 2 Ohms • 4-Way System Protection • Selectable Highpass/Lowpass Filters
$89.00
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800W Max CRYPT Series 4-Channel Amplifier
Free Ground Shipping within the 48 states
CRYPT Series 4-Channel Car Amplifier • 80W x 4 chan @ 4 ohm • 100W x 4 chan @ 2 ohm • MOSFET PSU Transistors • LED Indicators • Selectable Bass Boost • Aluminum Alloy Heatsink • 3-Way System Protection Circuitry
$79.99
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  • 3.7
  (3 reviews)
600W RMS 4-Channel Stereo CTX Series Class AB Car Amplifier
Free Ground Shipping within the 48 states
CTX Series 4-Channel Class AB Amplifier • 100W x 4 Chan. @ 4 ohms • 150W x 4 Chan. @ 2 ohms • Bridged 300W x 2 Chan. @ 4 ohms • 3-Way System Protection • 4/3/2/1 Channel Operation • 4 Gauge Power and Ground Inputs • Turn On Delay for Quiet Start-Up
$199.99
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1000W Max V-Drive Series 4-Channel Car Audio Amplifier (DRA10504)
Free Ground Shipping within the 48 states
V-Drive Series 4-Channel Class A/B Car Amplifier • 1000 Watts Max • 250 Watts x 4 Chan. @ 2 Ohms • 3-Way System Protection • Selectable Highpass/Lowpass Filters
$99.99
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1000W Max, 4-Channel Drvn Series Class A/B Car Amplifier
Free Ground Shipping within the 48 states
4-Channel Drvn Series Class D Car Amplifier • 4 ohms: 70 watts x 4 chan. • 2 ohms: 100 watts x 4 chan. • Bridged, 4 ohms: 200 watts x 2 chan. • Pulse Width Modulated MOSFET Power Supply
$119.95
Shipping: FREE
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900W Max, 4-Channel Gothic Series Car Amplifier
Free Ground Shipping within the 48 states
4-Channel Gothic Series Car Amplifier • 4 ohms: 75 watts x 4 chan. • 2 ohms: 95 watts x 4 chan. • Bridged, 4 ohms: 190 watts x 2 chan. • Max power output: 900 watts
$89.99
Shipping: FREE
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  • 4.0
  (1 review)
1400W Max 4-Channel Street Machine Series Class AB Car Amplifier (SM14004)
Free Ground Shipping within the 48 states
Street Machine SM Series 4-Channel Monoblock Class AB Amplifier • 125W x 4 Chan. @ 4 ohms • 250W x 4 Chan. @ 2 ohms • 500W x 2 Chan. @ 4 ohm • 3-Way System Protection • 4/3/2 Channel Operation • 4 Gauge Power and Ground Inputs • Illuminated VU Meter for Retro Design
$119.00
Shipping: FREE
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800W Max, Force Series 4-Channel Amplifier with Bass Remote Level Control (SoundStorm F4800)
Free Ground Shipping within the 48 states
Force Series 4-Channel Class A/B Amplifier • 85 Watts x 4 Chan @ 4 Ohms • Line and Speaker-Level Inputs • 800 Watts Max • Chrome-Plated RCA Level Inputs And Screw Terminals • LED Power And Protect Indicators
$84.99
Shipping: FREE
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  • 4.6
  (7 reviews)
1000W 4-Channel Demon Series MOSFET Power Amplifier with Remote Subwoofer Level Control
Free Ground Shipping within the 48 states
Demon Series 4-Channel Class AB Car Amplifier • 1000W Peak • Regulated PWM MOSFET Power Supply • Remote Subwoofer Level Control • LED Power and Protection Indicators • Bass Boost • 2-Way System Protection Circuitry
$99.99
Shipping: FREE
To the US 48 • other rates
  • 5.0
  (2 reviews)
640W RMS Class AB 4-Channel/Stereo Bridgeable Car Power Amplifier
Free Ground Shipping within the 48 states
REP Series 4-Channel Class AB Amplifier • 120W x 4 Chan. @ 4 ohms • 160W x 4 Chan. @ 2 ohms • 320W x 2 Chan. @ 4 ohms • 3-Way System Protection • 2/1 Channel Operation • 4 Gauge Power and Ground Inputs • Speaker Level Inputs
$94.99
Shipping: FREE
To the US 48 • other rates
800W Max, Pro Series 4-Channel Amplifier with Remote Level Control
Free Ground Shipping within the 48 states
Pro Series 4-Channel Class A/B Car Amplifier • 800W Max • 200W x 4-Chan. @ 2 Ohms • 75W x 4-Chan. @ 4 Ohms • Tri-Mode Speaker Operation Output • Speaker-Level Inputs • Automatic Output Power Increase At 2 Ohms
$82.99
Shipping: FREE
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  • 4.0
  (5 reviews)
Items per page: 20 50 100
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Related Categories

Amplifier Wiring Kits
Get all the cables, wires, and hardware you need to install your new car amplifier with one of these power amp kits. Amplifier wiring kits come with your basic power and ground cables, as well as other necessary wires. Select complete amplifier kits will include speaker wire, RCA interconnect cables, and more! Make sure to get the kit that is best designed for your car audio system.
Capacitors
Car audio capacitors are a great addition to any aftermarket audio system that is in need of a little extra power. Capacitors store a temporary electrical charge that can be released during periods of extra power strain. If a vehicle has dimming headlights when music is played, a capacitor could solve that problem.
Sound Processors
For those who want the most out their car audio system, a quality sound processor is a must. After some slight adjustments, your systems will sound like it has been professionally tuned and optimized. Tune your system to perfection with these crossovers, equalizers, and bass drivers.

4-Channel Amplifiers Information

A 4-channel amplifier is the best way to power a complete set of new car speakers. These amplifiers are designed to power four door speakers, although the right & left channels can usually be bridged to offer a wide range of wiring options. Commonly, the rear channels will be bridged to power a small subwoofer while the front channels are used for the front speakers. Some audiophile installations use these amplifiers to bi-amp a pair of component speakers – in these setups, each tweeter and midwoofer is powered from their own channel. Four channel amplifiers mostly utilize class A/B circuitry for the best possible sound quality, but the last few years have seen a huge rise in the popularity of full-range class D amps. These amplifiers are prized for their compact chassis, and advances in technology have made them sound almost indistinguishable from their A/B counterparts. 4-Channel amplifiers also frequently feature preamp outputs or signal pass-thru, allowing you to provide signal to a subwoofer amp without running another RCA cable to your head unit.