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4-Channel Amplifiers - Total Peak Power Output: Up to 500 watts, Bass/Gain Remote: No

True 800W RMS, Full Range Class D 4-Channel Amplifier (JAD-800.4)
Free Ground Shipping within the 48 states
Class D 4-Channel Amplifier • 4 ohms: 125 watts x 4 chan. • 2 ohms: 200 watts x 4 chan. • Bridged, 4 ohms: 400 x 2 chan. • Pulse Width Modulated MOSFET Power Supply • 4/3/2 Channel Operation
$229.99
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  • 4.8
  (11 reviews)
240W RMS Class A/B 4-Channel Gladiator Series Amplifier
Free Ground Shipping within the 48 states
Gladiator Series 4-Channel Class A/B Car Amplifier • 4 ohms: 60 watts x 4 chan. • 2 ohms: 120 watts x 4 chan. • Bridged, 4 ohms: 240 watts x 2 chan.
$94.95
Shipping: FREE
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  • 4.0
  (4 reviews)
400W RMS eXcelon Series 4-Channel Reference XR Stereo Bridgeable Car Power Amplifier (XR4004)
Free Ground Shipping within the 48 states
XR Series 4-Channel Class D Amplifier • 75W 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 • 4 Gauge Power and Ground Inputs • Extremely Thin Design
$199.99
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900W RMS, Phantom Series Class D Full Range 4-Channel Amplifier (P 900.4)
Free Ground Shipping within the 48 states
Phantom Series Class D Full Range 4-Channel Car Amplifier • 450W RMS x 2 Channel @ 4 ohms Bridged • Tri-Mode Capable • 3-Way System Protection • Variable Low-Pass Crossover • Variable High-Pass Crossover • Band-Pass Crossovers • Input Source Selector
$189.99
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  • 5.0
  (10 reviews)
400W RMS 4-Channel Class D Prime Series Amplifier
Free Ground Shipping within the 48 states
Prime Series Full Range Class D 2-Channel Car Amplifier • 75W x 4 Chan. @ 4 ohms • 100W x 4 Chan. @ 2 ohms • 200W x 2 Chan. @ 4 ohms Bridged • Variable Bass Boost • Variable High-Pass Crossover • CEA-2006 Compliant
$159.99
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  • 4.0
  (10 reviews)
300W Prime Series 4-Channel Amplifier
Free Ground Shipping within the 48 states
Prime Series 4-Channel Class A/B Car Amplifier • 50 Watts x 4 Chan. @ 4 Ohms • 75 Watts x 4 Chan. @ 2 Ohms • Selectable Bass Boost • 2-Way System Protection Circuitry • Extruded Aluminum Alloy Convection Heat Sink
$124.95
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  • 4.8
  (25 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
Shipping: FREE
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  • 4.7
  (3 reviews)
500W 4-Channel Stereo Bridgeable Power Amplifier w/ LPF and HPF
Free Ground Shipping within the 48 states
4-Channel Sport Series Car Amplifier • Class AB • 40W x 4 Chan. @ 4 ohm • 60W x 4 Chan. @ 2 ohm • High-Level Speaker Input • Heavy Duty Aluminum Heatsink • Low-Pass and High-Pass • CEA-2006 Compliant
$104.99
Shipping: FREE
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  • 5.0
  (2 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 RMS 4-Channel Class D Prime Series Amplifier
Free Ground Shipping within the 48 states
Prime Series Full Range Class D 4-Channel Car Amplifier • 100W x 4 Chan. @ 4 ohms • 150W x 4 Chan. @ 2 ohms • 300W x 2 Chan. @ 4 ohms Bridged • Variable Bass Boost • Variable High-Pass Crossover • CEA-2006 Compliant
$234.99
Shipping: FREE
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  • 5.0
  (4 reviews)
320W RMS LP Series Class AB 4-Channel Stereo Bridgeable Car Amplifier
Free Ground Shipping within the 48 states
LP Series 4-Channel Class AB Amplifier • 60W x 4 Chan. @ 4 ohms • 80W x 4 Chan. @ 2 ohms • 160W x 2 Chan. @ 4 ohms • 3-Way System Protection • 4/3/2/1 Channel Operation • 8 Gauge Power and Ground Inputs • Mounting Bracket Hardware Included
Get 20% off SMD DD-1 Distortion Detector w/ Select Amps!
$179.99
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480W RMS LP Series Class AB 4-Channel Stereo Bridgeable Car Amplifier
Free Ground Shipping within the 48 states
LP Series 4-Channel Class AB Amplifier • 80W x 4 Chan. @ 4 ohms • 120W x 4 Chan. @ 2 ohms • 240W x 2 Chan. @ 4 ohms • 3-Way System Protection • 4/3/2/1 Channel Operation • 8 Gauge Power and Ground Inputs • Mounting Bracket Hardware Included
Get 20% off SMD DD-1 Distortion Detector w/ Select Amps!
$219.99
Shipping: FREE
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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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360W RMS, 4-Channel Class A/B JX Series Full-Range Car Amplifier
Free Ground Shipping within the 48 states
JX Series 4-Channel Amplifier • Class AB • 70W x 4 Chan @ 4 ohm • 90W x 4 Chan @ 2 ohm • Preamp Outputs • High & Low Level Inputs • Adjustable Input Sensitivity • High & Low Pass Filter
$224.95
Shipping: FREE
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  • 4.7
  (10 reviews)
790W RMS Class D 4-Channel SK Series Stereo Bridgeable Car Amplifier
Free Ground Shipping within the 48 states
SK Series 4-Channel Class D Amplifier • 133W x 4 Chan. @ 4 ohms • 204W x 4 Chan. @ 2 ohms • 396W x 2 Chan. @ 4 ohms • 3-Way System Protection • 4/3/2/1 Channel Operation • 4 Gauge Power and Ground Inputs • Double Sided 1 Oz Circuit Board
Get 20% off SMD DD-1 Distortion Detector w/ Select Amps!
$479.99
Shipping: FREE
To the US 48 • other rates
800W 4-Channel PowerOne Series Car Amplifier
Free Ground Shipping within the 48 states
Power One Series 2-Channel Class A/B Car Amplifier • 4 ohms: 200 watts x 4 chan. • 2 ohms: 400 watts x 4 chan.• Bridged, 4 ohms: 800 watts x 2 chan. • SEPP Class A/B Analog Amplifier
$99.95
Shipping: FREE
To the US 48 • other rates
320W RMS DTX Series Class AB 4-Channel Amplifier
Free Ground Shipping within the 48 states
DTX Series 4-Channel Class D Amplifier • 60W x 4 Chan. @ 4 ohms • 80W x 4 Chan. @ 2 ohms • 4-Way System Protection • 4/3/2/1 Channel Operation • 4 Gauge Power and Ground Inputs • Variable Bass Boost (0-12 dB)
$94.95
Shipping: FREE
To the US 48 • other rates
Marine 4-Channel Amplifier
Free Ground Shipping within the 48 states
Marine 4-Channel AB Car Amplifier • RMS Power Output: 4 ohms: 60 watts x 4 / 2 ohms: 70 watts x 4 • Frequency Response: 80 Hz - 20 kHz • Speaker-level inputs • LED power indicators
$199.95
Shipping: FREE
To the US 48 • other rates
  • 4.6
  (7 reviews)
800W RMS 4-Channel Class A/B Black Ice Series Car Amplifier (BK8004)
Free Ground Shipping within the 48 states
4-Channel Class A/B Black Ice Series Car Amplifier • 4 ohms: 130 watts x 4 chan. • 2 ohms: 200 watts x 4 chan. • Bridged, 4 ohms: 400 watts x 2 chan. • SMT(Surface mount technology) Circuity • Band-pass crossovers
$169.99
Shipping: FREE
To the US 48 • other rates
  • 5.0
  (1 review)
400W RMS 4-Channel DX Series Amplifier (DX4004)
Free Ground Shipping within the 48 states
DX Series 4-Channel Class A/B Car Amplifier • 100 Watts x 4-Channel @ 2 Ohm • 50 Watts x 4-Channel @ 4 Ohm • 200 Watts x 2-Channel @ 4 Ohm • Muting Circuit • 3 Automatic Turn-On Modes • Balanced Differential Inputs
$229.95
Shipping: FREE
To the US 48 • other rates
  • 5.0
  (2 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.