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4-Channel Amplifiers

1600W Max Phantom Series 4-Channel MOSFET Power Amplifier
Free Ground Shipping within the 48 states
Phantom Series 4-Channel Class A/B Car Amplifier • 160W x 4 chan. @ 4 ohms • 400W x 4 chan. Max • MOSFET PWM Power supply • Includes bass remote • Trimode operation • Thermal and speaker short protection
$89.99
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  • 5.0
  (6 reviews)
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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
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  • 4.0
  (10 reviews)
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400W RMS, Force Series 4-Channel Amplifier (SoundStorm F4400)
Free Ground Shipping within the 48 states
Force Series 4-Channel Amplifier • 50 Watts x 4 Chan. @ 4 Ohms • 400 Watts RMS • Speaker level inputs • LED Power Indicators • Speaker-Level Inputs • Chrome-Plated RCA Level Inputs And Screw Terminals
$49.99
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  • 4.3
  (32 reviews)
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1000W 4-Channel Marine Power Amplifier (MR 1000)
Free Ground Shipping within the 48 states
1000W Max, 4-Channel Class A/B Marine Power Amplifier • 100 Watts RMS x 4 Chan. @ 4 Ohms • 250 Watts Max x 4 Chan. @ 2 Ohms • Protective Humidity Coating On PC Board • Tri-Mode Capable • Soft Turn-On Circuitry
$139.00
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  • 4.2
  (6 reviews)
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600W Max 4/3 Channel GTX Series Amplifier with MOSFET Power Supply
Free Ground Shipping within the 48 states
4/3 Channel GTX Series Car Amplifier • 600W Max • Pulse Modulated MOSFET Power Supply • Speaker-Level (High-Level) Inputs • Heavy Duty Aluminum Alloy Heatsink • Gold-Plated RCA Level Inputs • High/Low Pass Filters (80 Hz)
$89.99
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  • 3.7
  (7 reviews)
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2000W Max 4-Channel TNT Series Car Amplifier w/ High Level Inputs
Free Ground Shipping within the 48 states
4-Channel TNT Series Class AB Car Amplifier • Fully Regulated MOSFET Power Supply • LED Power & Protect Indicators • Variable Bass Boost • Preamp RCA Outputs • Heavy Duty Aluminum Alloy Heatsink • Soft Start Turn-On
$129.99
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400W RMS Class AB 4-Channel Power Car Amplifier (THUNDER754)
Free Ground Shipping within the 48 states
Thunder Series Single Channel Mono Class AB Amplifier • 75W x 4 Chan. @ 4 ohms • 100W x 4 Chan. @ 2 ohms • 400W x 2 Chan. MAX • 3-Way System Protection • 4/3/2/1 Channel Operation • 8 Gauge Power and Ground Inputs • Vibration and Extruded Aluminum Heat Sink for Effective Heat Dissipation
$132.00
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5000W Max 4-Channel Vibe Series Car Amplifier
Free Ground Shipping within the 48 states
4-Channel Vibe Series Car Amplifier • 4 ohms: 625 watts x 4 chan. • 2 ohms: 1000 watts x 4 chan. • Max Bridged, 4 ohms: 2500 watts x 2 chan. • Variable Bass Boost: 0-18 dB
$149.99
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2000W Max, Onyx Series 4-Channel MOSFET Power Amplifier with Remote Level Control
Free Ground Shipping within the 48 states
Onyx Series 4-Channel Class AB Car Amplifier • 200W x 4 Chan. @ 4 ohms • MOSFET PWM Power supply • LED Indicators • Variable 0 to +18dB Bass boost • Variable gain controls • Heavy duty aluminum alloy heatsink
$109.99
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  • 4.0
  (1 review)
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600W RMS, 4-Channel Class A/B Murdered Out Series Car Amplifier
Free Ground Shipping within the 48 states
Murdered Out Series 4-Channel Class A/B Amplifier • 75W x 4 Chan. @ 4 ohms • 150W x 4 Chan. @ 2 ohms • 300W x 2 Chan. @ 4 ohms • 4-Way System Protection • 4/3/2 Channel Operation • 8 Gauge Power and Ground Inputs • Power and Protect Indicators
$109.00
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1000W 4-Channel Reference Series Bridgeable Power Amplifier (RA10004)
Free Ground Shipping within the 48 states
Reference Series 4-Channel Class SQ Amplifier • 125W x 4 Chan. @ 4 ohms • 250W x 4 Chan. @ 2 ohms • 500W x 2 Chan. @ 4 ohms • 3-Way System Protection • 4/3/2/1 Channel Operation • 1/0 Gauge Power and Ground Inputs • FLUID-FETS Circuit for Smooth Sound Quality
$209.00
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Marine, M Series 4-Channel Class D Full-Range Amplifier
Free Ground Shipping within the 48 states
M Series 4-Channel Class D Car Amplifier • 400W RMS • Preamp RCA outputs • 3-Way System Protection Circuitry • Variable High/Low-Pass Filter • Remote Bass Level Input • Total Amplifier Efficiencies Exceed 80%
$379.95
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  • 5.0
  (2 reviews)
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400W 4-Channel GS Series Compact Car Amplifier
Free Ground Shipping within the 48 states
4-Channel GS Series Compact Car Amplifier • 4 ohms: 70 watts x 4 chan. • 2 ohms: 80 watts x 4 chan. • Bridged, 4 ohms: 160 watts x 2 chan. • Pulse Width Modulated MOSFET Power Supply • LED Power (green) and Protect (red) Indicators
$349.99
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300W RMS, Slash Version 3 Series 4-Channel Amplifier
Free Ground Shipping within the 48 states
Slash v3 Series 4-Channel Class AB Car Amplifier • 75W x 4 chan. @ 4 ohms • MOSFET power supply • Differential-balanced with RCA jack inputs • Preamp RCA outputs
$599.95
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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.