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4-Channel Amplifiers

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.
$99.99
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  • 4.0
  (4 reviews)
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
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  • 4.5
  (36 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
$129.99
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  • 4.8
  (25 reviews)
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
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  • 4.8
  (4 reviews)
Power Series Compact 4-Channel Amplifier
Free Ground Shipping within the 48 states
Power Series 4-Channel Class AB Car Amplifier • 60W x 4 chan. @ 4 ohms • 100W x 4 chan. @ 2 ohms • 200W x 2 chan. @ 4 ohm • 400W x 1 chan. Max • MOSFET Power Supply • High-pass and low-pass crossover • Audiophile grade speaker connections
$249.99
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  • 4.8
  (23 reviews)
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
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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
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1600W Max Nano Block Series 4-Channel Amplifier
Free Ground Shipping within the 48 states
Massive Audio NX4 Nano Block Series 4-Channel Car Amplifier • 1600W Max • MOSFET Power Supply • LED Power/Protect Indicators • Ultimate Mounting Flexibility • Mill Spec Double Sided PCB with SMD Parts
$165.00
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  • 4.5
  (10 reviews)
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
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  • 5.0
  (4 reviews)
Power Series Compact 4-Channel Amplifier
Free Ground Shipping within the 48 states
Power Series 4-Channel Class AB Car Amplifier • 100W x 4 chan. @ 4 ohms • 150W x 4 chan. @ 2 ohms • 300W x 2 chan. @ 4 ohms • 600W x 4 chan. Max • NOMAD protection circuitry: thermal, overload or short protection • MOSFET power supply
$379.00
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  • 5.0
  (14 reviews)
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
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468W Max, Reference Series Class AB 4-Channel Amplifier (REF475A)
Free Ground Shipping within the 48 states
Reference Series Class AB 4-Channel Amplifier • 75W x 4 chan. @ 4 ohms • 90W x 4 chan. @ 2 ohms • 117W x 4 chan. Max • MOSFET power supply • Gold-plated preamp RCA outputs
$183.53
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  • 4.5
  (19 reviews)
650W RMS 4-Channel ZX Series Amplifier (ZX6504)
Free Ground Shipping within the 48 states
ZX Series 4-Channel Class AB Car Amplifier • 120W x 4 chan. @ 4 ohms • 160W x 4 chan. @ 2 ohms • 320W x 2 chan. @ 4 ohms • 650W Total RMS • Balanced differential inputs
$349.95
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  • 5.0
  (8 reviews)
500W RMS Punch Series 4-Channel Amplifier (P5004)
Free Ground Shipping within the 48 states
Punch Series 4-Channel Class AB Car Amplifier • 60 watts x 4 chan @ 4 Ohms • 125 watts x 2 chan @ 2 Ohms • MOSFET Power Supply • Cast Aluminum Heatsink • 4/2 Channel Operation • Nickel-Plated Screw Terminals and RCA Level Inputs • Frequency response: 20-20,000 Hz
$239.00
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  • 4.8
  (6 reviews)
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
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  • 5.0
  (2 reviews)
5-1/4" SPS-510 Type S Speakers + Rockford Fosgate R300-4 4 Channel Amplifier + Kit + Sound Dampening
Free Ground Shipping within the 48 states
5-1/4" Type S Series Car Speakers • 340W Max • 110W RMS • Prime Series 4-Channel Class A/B Car Amplifier • MOSFET Power Supply • CEA-2006 Compliant Amplifier • Amplifier Kit • Sound Dampening Material
$221.92
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4-Channel GTO Series Class A/B Car Amplifier
Free Ground Shipping within the 48 states
4-Channel GTO Series Class AB Car Amplifier • 4 ohms: 50 watts x 4 chan. • 2 ohms: 75 watts x 4 chan. • Bridged; 4 ohms: 150 watts x 2 chan. • Max power output: 160 watts x 4 chan.
$199.95
Shipping: FREE
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960W Max, 4 Channel D Block Series Car Amplifier
Free Ground Shipping within the 48 states
Massive Audio 800.4 D Block Series 4-Channel Car Amplifier • 960 Watts Max • 480 Watts RMS • MOSFET power Supply • Brushed Aluminum "finless" Heat Sink • 6-Way Protection Circuitry
$179.99
Shipping: FREE
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400W RMS Punch Series 4-Channel Stereo Class AB Car Power Amplifier (P400X.4)
Free Ground Shipping within the 48 states
Punch Series 4-Channel Class AB Amplifier • 50W x 4 Chan. @ 4 ohms • 100W x 4 Chan. @ 2 ohms • Built In NOMAD "Real Time" Analog Computer • 4/3/2/1 Channel Operation • 4 Gauge Power and Ground Inputs • MESHA3 Reduces MOSFET Temperatures for Improved Durability
$249.99
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350W RMS 4-Channel ZXM Series Marine Amplifier (ZXM3504)
Free Ground Shipping within the 48 states
ZX Series 4-Channel Class AB Car Amplifier • 60W x 4 chan. @ 4 ohms • 90W x 4 chan. @ 2 ohms • 175W x 2 chan. @ 4 ohms • 350W x 2 chan. Max • Balanced differential inputs
$299.95
Shipping: FREE
To the US 48 • other rates
  • 5.0
  (3 reviews)
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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.