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Price range: $50–$720
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4-Channel Amplifiers

720W Max 4-Channel Performance Series Amplifier
Free Ground Shipping within the 48 states
4-Channel Class AB Car Amplifier • 60W x 4 chan. @ 4 ohms • 90W x 4 chan. @ 2 ohms • 180W x 2 chan. @ 4 ohms • 720W Max • Built-in cooling fan • Short circuit, DC offset, overload, and thermal protection circuitry
$119.99
Shipping: FREE
To the US 48 • other rates
  • 4.5
  (36 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 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 RMS VEGA Series 4-Channel Class AB Car Amplifier
Free Ground Shipping within the 48 states
VEGA Series 4-Channel Class AB Car Amplifier • 75W x 4 Chan. @ 4 ohms • 125W x 4 Chan. @ 2 ohms • 250W x 2 Chan. @ 4 ohms Bridged • Vega Bass Boost • Hi/Low Level Inputs • Variable Hi/Low-Pass Filters • Differential Balanced Inputs
$109.99
Shipping: FREE
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  • 5.0
  (1 review)
1600W Max Anarchy Series 4-Channel MOSFET Power Amplifier with Remote Level Control
Free Ground Shipping within the 48 states
Anarchy Series 4-Channel MOSFET Powered Amplifier • 1600W Max. • Switchable Phase Shift • Input Sensitivity Selector • Remote Subwoofer Control • Heavy-Duty Screw Terminals • Chrome-Plated Connections • Illuminated Logo
$89.99
Shipping: FREE
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  • 4.0
  (10 reviews)
400W Max 4-Channel Chaos Exxtreme Series Amplifier (CX-350)
Free Ground Shipping within the 48 states
Chaos Exxtreme 4-Channel Class AB Car Amplifier • 50W x 4 chan. @ 4 ohms • 100W x 4 chan Max • Speaker-level inputs with soft turn-on • Thermal and short circuit protection circuitry
$49.99
Shipping: FREE
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  • 4.4
  (16 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
Shipping: FREE
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760W Max 4-Channel GM Series Car Amplifier w/ High-Level Speaker Inputs
Free Ground Shipping within the 48 states
GM Series • Bridgeable 4-Channel • Class AB Amplifier • 60 Watts RMS x4 Channel @ 4 ohms • 85 Watts RMS x 4 Channel @ 2 ohms • Speaker Level Inputs • LPF/HPF Crossovers • Gain Caution Feature • H Shaped Chassis • CEA-2006 Compliant Amplifier
$124.99
Shipping: FREE
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  • 4.8
  (4 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
Shipping: FREE
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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
Shipping: FREE
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  • 5.0
  (1 review)
1200W RMS 4-Channel Brutus Series Class AB Bridgeable Power Amplifier (BRX12004)
Free Ground Shipping within the 48 states
Brutus Series 4-Channel Super AB Class Car Amplifier • 150W x 4 Chan. @ 4 ohms • 300W x 4 Chan. @ 2 ohms • 600W x 2 Chan. @ 4 ohms • 3-Way System Protection • 4/3/2/1 Channel Operation • 4 Gauge Power and Ground Inputs • Ultra-Fi MOSFETS Circuit for Smooth Sound Quality
$229.99
Shipping: FREE
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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
$94.99
Shipping: FREE
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1200W Max, 4-Channel RAZOR Series Full Range Class D Car Amplifier
Free Ground Shipping within the 48 states
4-Channel RAZOR Series Full Range Class D Car Amplifier • 4 ohms: 100 watts x 4 chan. • 2 ohms: 150 watts x 4 chan. • Bridged, 4 ohms: 300 x 2 chan. • Max power output: 1200 watts x 2 chan.
$97.95
Shipping: FREE
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640W RMS 4-Channel Brutus Series Class AB Bridgeable Power Amplifier (BRX6404)
Free Ground Shipping within the 48 states
Brutus Series 4-Channel Super AB Class Car Amplifier • 80W x 4 Chan. @ 4 ohms • 160W x 4 Chan. @ 2 ohms • 320W x 2 Chan. @ 4 ohms • 3-Way System Protection • 4/3/2/1 Channel Operation • 4 Gauge Power and Ground Inputs • Ultra-Fi MOSFETS Circuit for Smooth Sound Quality
$169.99
Shipping: FREE
To the US 48 • other rates
2400W 4-Channel MOSFET Power Phantom Series Amplifier with Remote Subwoofer Level Control
Free Ground Shipping within the 48 states
Phantom Series Class AB 4-Channel Car Amplifier • 2400W Max • MOSFET Power Supply • Remote Subwoofer Level Control Included • Bass Boost • Thermal and Speaker Short Protection • Black Anodized Heatsink • Input Gain Control
$103.00
Shipping: FREE
To the US 48 • other rates
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
Shipping: FREE
To the US 48 • other rates
200W RMS 4-Channel DX Series Amplifier (DX2004)
Free Ground Shipping within the 48 states
DX Series 4-Channel Class A/B Car Amplifier • 50 Watts x 4-Channel @ 2 Ohm • 25 Watts x 4-Channel @ 4 Ohm • 100 Watts x 2-Channel @ 4 Ohm • Muting Circuit • 3 Automatic Turn-On Modes • Balanced Differential Inputs
$139.95
Shipping: FREE
To the US 48 • other rates
  • 5.0
  (4 reviews)
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
Shipping: FREE
To the US 48 • other rates
320W RMS 4-Channel Brutus Series Class AB Bridgeable Power Amplifier (BRX3204)
Free Ground Shipping within the 48 states
Brutus Series 4-Channel Super AB Class Car Amplifier • 40W 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 • Ultra-Fi MOSFETS Circuit for Smooth Sound Quality
$129.99
Shipping: FREE
To the US 48 • other rates
1200W Max Kappa Series 4-Channel Amplifier (KAPPA-FOUR)
Free Ground Shipping within the 48 states
Kappa Series 4-Channel Amplifier • 125W x 4 Chan. @ 4 Ohms • 150W x 4 Chan. @ 2 Ohms • 300W x 4 Chan. Max • Tuned Bass EQ • Speaker-level Inputs • Variable High and Low Pass Filters • 4/3/2 Channel Operation
$249.95
Shipping: FREE
To the US 48 • other rates
  • 4.7
  (13 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.