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4-Channel Amplifiers

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
Shipping: FREE
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  • 4.4
  (5 reviews)
400W Max, 4-Channel Gothic Series Car Amplifier
Free Ground Shipping within the 48 states
4-Channel Gothic Series Car Amplifier • 4 ohms: 45 watts x 4 chan. • 2 ohms: 75 watts x 4 chan. • Max power output: 900 watts • MOSFET power supply • 4/3/2 Channel Operation
$59.99
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  • 4.7
  (3 reviews)
400W Max, 4-Channel Evolution Series Car Amplifier
Free Ground Shipping within the 48 states
Evolution Series 4-Channel Class AB Car Amplifier • 50W RMS x 4 Channels • MOSFET Power Supply • High/Low Level Inputs • Fixed High/Low Pass Filters • 3-Way System Protection Circuitry
$49.99
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  • 3.3
  (3 reviews)
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)
1200W Max 4-Channel Gothic Series Car Amplifier
Free Ground Shipping within the 48 states
4-Channel Gothic Series Car Amplifier • 4 ohms: 100 watts x 4 chan. • 2 ohms: 125 watts x 4 chan. • Bridged, 4 ohms: 250 watts x 2 chan. • Max power output: 1200 watts
$99.99
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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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400W Max 4-Channel Onyx Series Full Range Bridgeable Power Amplifier (OA4004)
Free Ground Shipping within the 48 states
Onyx Series 4-Channel Class SQ Amplifier • 50W x 4 Chan. @ 4 ohms • 100W x 4 Chan. @ 2 ohms • 200W x 2 Chan. @ 4 ohms • 3-Way System Protection • 4/3/2/1 Channel Operation • 8 Gauge Power and Ground Inputs • FLUID-FETS Circuit for Smooth Sound Quality
$99.99
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250W RMS 4-Channel Class AB Prime Series Amplifier
Free Ground Shipping within the 48 states
Prime Series Full Range Class AB 4-Channel Car Amplifier • 40W x 4 Chan. @ 4 ohms • 60W x 4 Chan. @ 2 ohms • 125W x 2 Chan. @ 4 ohms Bridged • Variable Bass Boost • Variable High-Pass Crossover • CEA-2006 Compliant • Soft Start Turn-On
$129.99
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1200W Max 4-Channel Marine Audio Amplifier w/ PA System Microphone for Wakeboard or Other Uses
Free Ground Shipping within the 48 states
4-Channel Class AB Marine Amplifier with PA System Microphone • 150W x 4 chan. @ 4 Ohms • 300W x 4 chan. @ 2 Ohms • 600W x 2 chan. @ 4 Ohms • MOSFET PWM (Pulse Width Modulated) power supply • Wired remote bass level control included
$199.99
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  • 4.3
  (3 reviews)
3000W 4 Channel Academy Series Class A/B Amplifier
Free Ground Shipping within the 48 states
Academy Series Monoblock Class D Car Amplifier • 4 ohms: 75 watts x 4 chan. • 2 ohms: 150 watts x 4 chan. • 4 ohms, Bridged: 200 watts x 2 chan.
$99.99
Shipping: FREE
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  • 4.0
  (1 review)
400W Max, 4-Channel Gorilla Series Car Amplifier
Free Ground Shipping within the 48 states
4-Channel Gorilla Series Car Amplifier • 4 ohms: 45 watts x 4 chan. • 2 ohms: 75 watts x 4 chan. • Bridged, 4 ohms: 150 watts x 2 chan. • Pulse Width Modulated MOSFET Power Supply
$63.99
Shipping: FREE
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2600W Max 4-Channel Gothic Series Car Amplifier
Free Ground Shipping within the 48 states
4-Channel Gothic Series Car Amplifier • 4 ohms: 215 watts x 4 chan. • 2 ohms: 275 watts x 4 chan. • Bridged, 4 ohms: 550 x 2 chan. • Max power output: 2600 watts
$143.99
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  • 5.0
  (1 review)
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
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400W, 4-Channel Class D XD Series Full-Range Car Amplifier
Free Ground Shipping within the 48 states
XD Series 4-Channel Class D Car Amplifier • 100W x 4-Chan @ 2 Ohms • NexD Ultra-High Speed Topology • Preamp RCA Outputs • Variable High/Low-Pass Filter • 3-Way System Protection Circuitry • Remote Bass Input
$359.95
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  • 4.9
  (9 reviews)
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
To the US 48 • other rates
  • 4.6
  (7 reviews)
1800W Max 4-Channel Gothic Series Car Amplifier
Free Ground Shipping within the 48 states
4-Channel Gothic Series Car Amplifier • 4 ohms: 150 watts x 4 chan. • 2 ohms: 190 watts x 4 chan. • Bridged, 4 ohms: 380 x 2 chan. • Max power output: 900 watts
$117.99
Shipping: FREE
To the US 48 • other rates
1200W Max PowerZone Series 4-Channel Car Audio Amplifier (PZ12004)
Free Ground Shipping within the 48 states
PowerZone Series 4-Channel Class A/B Car Amplifier • 1200 Watts Max • 300 Watts x 4 Chan. @ 2 Ohms • 4-Way System Protection • Selectable Highpass/Lowpass Filters
$99.99
Shipping: FREE
To the US 48 • other rates
900W Max 4-Channel Gorilla Series Car Amplifier
Free Ground Shipping within the 48 states
4-Channel Gorilla Series Car Amplifier • 4 ohms: 80 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
$84.99
Shipping: FREE
To the US 48 • other rates
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.