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Find powerful 4 channel amps for name brand manufacturers such as Kicker, JVC, Pioneer and more. Four channel amplifiers allow you to have more installation options.
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4-Channel Amplifiers Total Peak Power Output: Up to 500 watts, Bass/Gain Remote: No, with 1 pair of Preamp Outputs

360W 4-Channel Nautical Series Class SQ Marine Amplifier

• 60W x 4-Chan. @ 4 ohms
• 90W x 4-Chan. @ 2 ohms
• 180W x 2 Chan. @ 4 ohms
• 3-Way System Protection
• 4/3/2/1 Channel Operation
• 4 Gauge Power and Ground Inputs
• 3-Way Protection Circuitry

40% Off on 4-Channel RCA Cables w/ purchase!

$109.99

IN STOCK

400W 4-Channel Gothic Series Class AB Car Amplifier

• 4 ohms: 45 watts x 4-Chan.
• 2 ohms: 75 watts x 4-Chan.
• Max power output: 400 watts
• MOSFET power supply
• 4/3/2 Channel Operation

Save 25% on an 8 Gauge Amp Kit with Purchase!

$54.99

IN STOCK

500W 4/3 Channel Class AB Power Amplifier

• RMS Power: 40W x 4 @ 4 ohms, 60W x 4 @ 2 ohms
• Total Peak Power: 250W
• CEA-2006 Compliant
• 7-7/8"W x 12-3/8"L x 2-3/16"H

Save 25% on a 4 Gauge Amp Kit with Purchase!

$99.99

IN STOCK

Only 2 Left!

320W 4 Channel Brutus Series Class AB Amplifier

• RMS Power: 40W x 4 @ 4 ohms, 80W x 4 @ 2 ohms
• Total Peak Power: 320W
• Variable High and Low Pass Filters
• Dimensions: 9.8" W x 11" L x 2.4" H

Save 25% on a 4 Gauge Amp Kit with Purchase!

$129.99

IN STOCK

1600W 4-Channel Brutus (BRX) Series Super A/B Class Amplifier

• RMS: 200W x 4 @ 4 ohms, 200W x 4 @ 2 ohms, Bridged 800W x 2 @ 4 ohm
• Total RMS Power: 1600W
• Ultra-Fi MOSFETS power supply
• Heavy duty aluminum alloy heat-sink
• Illuminated Hifonics logo

Save 25% on a 4 Gauge Amp Kit with Purchase!

$239.99

IN STOCK

640W 4 Channel Brutus Series Class AB Amplifier

• RMS Power: 80W x 4 @ 4 ohms, 160W x 2 @ 2 ohms
• Total Peak Power: 640W
• Variable High and Low Pass Filters
• Dimensions: 9.8" W x 14.7" L x 2.4" H

25% Off of XKIT84 OFC Amplifier Install Kit with Purchase!

$139.99

IN STOCK

800W 4-Channel PA D Series Car Amplifier

• 125W x 4-Chan. @ 4 ohm
• 200W x 4-Chan. @ 2 ohm
• 400W x 2-Chan. Bridged
• Level Control
• High-Pass Filter
• Adjustable High-Pass & Low-Pass Frequencies

25% off Amp Kit with purchase!

$239.99

IN STOCK

400W RMS JX Series 4-Channel Class D Full-Range Amplifier

• Peak: 70W x 4 @ 4 ohms, 100W x 4 @ 2 ohms, 200W x 2 @ 4 ohms Bridged
• Unregulated PWM switching type power supply
• Class D Circuitry
• Defeatable 12 dB / octave filter
• Speaker-level (high-level) inputs with included harness
• Dimensions: 7.68"W x 9.05"L x 2.09"H

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10% Rewards, Extended Warranty and more!

25% off Amp Kit with purchase!

$249.99

IN STOCK

400W RMS 4-Channel Full Range Class D Marine Amplifier

• 4 ohms: 75 watts x 4 chan.
• 2 ohms: 100 watts x 4 chan.
• Bridged, 4 ohms: 200 watts x 2 chan.
• Uv Resistant And Salt-Fog Marine Protection

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10% Rewards, Extended Warranty and more!

$299.95

IN STOCK

600W 4-Channel Digital Low Profile Series Class D Car Amplifier (Made in Korea)

• RMS: 100W x 4 @ 4 ohms, 150W x 4 @ 2 ohms
• Total Peak Power: 400W
• Pulse Width Modulated MOSFET Power Supply
• 4-Way Protection Circuitry
• Dimensions: 3"W x 5.9"L x 1.5"H

Save 25% on an 8 Gauge Amp Kit with Purchase!

$109.95

IN STOCK

Only 1 Left!

400W 4 Channel Digital Compact Series Class D Car Amplifier (Made in Korea)

• RMS: 60W x 4 @ 4 ohms, 85W x 4 @ 2 ohms, 200W x 2 @ 4 ohm, Bridged
• Total Peak Power: 400W
• Pulse Width Modulated MOSFET Power Supply
• Variable Bass Boost
• 4-Way Protection Circuitry
• Dimensions: 4.7"W x 7.9"L x 1.6"H

$109.99

IN STOCK

Only 2 Left!

600W RMS 4-Channel Full Range Class D Marine Amplifier

• 4 ohms: 100 watts x 4 chan.
• 2 ohms: 150 watts x 4 chan.
• Bridged, 4 ohms: 300 watts x 2 chan.
• Uv Resistant And Salt-Fog Marine Protection

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10% Rewards, Extended Warranty and more!

$449.99

IN STOCK

480W RMS 4-Channel BT Series Bluetooth Marine Amplifier

• Built-in professional Bluetooth® signal processor module
• Corrosion-resistant ABYC compliant connectors
• Meets or exceeds ASTM d4329 (UV exposure)
• Full MOSFET DC-DC PWM power supply
• Bluetooth Range: Up to 30 feet (10m)
• Bluetooth audio and remote turn on signals can be passed to other amplifiers

$313.99

IN STOCK

Only 1 Left!

320W 4-Channel Marine Amplifier

• 60W x 4-Chan. @ 4 Ohms
• 80W x 4-Chan. @ 2 Ohms
• 160W x 2 Chan. @ 4 Ohms
• 320W RMS
• MOSFET Power Supply
• Preamp RCA outputs
• Thermal, Voltage and Short Protection Circuitry

$109.95

OUT OF STOCK

600 Watt Hydro?Tech™ Series Full Range 4-Channel Class D Marine Amplifier

• RMS: 110W x 4 @ 4 ohms, 150W x 4 @ 2 ohms, 300W x 2 @ 4 ohm
• Total RMS Power: 600 watts
• Completely Sealed Salt Water Compliant High Mass Heat Sink
• Accent Stripes for Customization (paintable)
• Wet Sounds™ Extensive Crossover Network
• Dimensions: 7.20" W x 8.00" L x 2.80" H

VIP Guarantee - FREE 2-Day Shipping,
10% Rewards, Extended Warranty and more!

$449.99

IN STOCK

Only 1 Left!

Related Categories

Amplifier Wiring Kits
Get all the cables, wires, and hardware you need to install your new car audio 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! To make sure you get the kit that is best designed for your car audio system, scroll down to the bottom of this page for the buying guide.
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. Click here to learn more about digital sound processors and to find out which type would be best for your car audio system.

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.