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4-Channel Amplifiers

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
$239.99
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  • 4.8
  (11 reviews)
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)
600W RMS Class FD 4-Channel GM Digital Series Amplifier
Free Ground Shipping within the 48 states
GM Digital Series 4-Channel Class FD Amplifier • 100W x 4 Chan. @ 4 ohms • 150W x 4 Chan. @ 2 ohms • 125W x 4 Chan. @ 1 ohm • 3-Way System Protection • 4/3/2 Channel Operation • 4 Gauge Power and Ground Inputs • High Power Capability with Small Size
$145.00
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  • 5.0
  (4 reviews)
Availability: Out of Stock - Backorder
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1400W Max Mean Machine Series 4-Channel Car Audio Amplifier
Free Ground Shipping within the 48 states
Mean Machine Series 4-Channel Class A/B Car Amplifier • 1400 Watts Max • 250 Watts x 4 Chan. @ 2 Ohms • 4-Way System Protection • Selectable Highpass/Lowpass Filters
$94.95
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  • 5.0
  (5 reviews)
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
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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)
1600W Max 4-Channel Mini Max Series Car Amplifier
Free Ground Shipping within the 48 states
4-Channel Mini Max Series Car Amplifier • 4 Ohms: 200 Watts X 4 Chan. • 2 Ohms: 400 Watts X 4 Chan. • Bridged, 4 Ohms: 800 Watts X 2 Chan. • Speaker-Level (High-Level) Inputs With Signal Sensing For Automatic Turn-On • Max Power Output: 1600 Watts X 2 Chan.
$89.99
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  • 5.0
  (1 review)
1600W Max, 4-Channel Class A/B BAMF Series Amplifier
Free Ground Shipping within the 48 states
1600W Max 4-Channel BAMF Series Class AB Amplifier • 150W x 4 Chan. @ 4Ohms • 180W x 4 Chan. @ 2Ohms • 1600W Max • MOSFET power supply • Full Selectable Crossover • Tri-mode capable • Heavy duty aluminum alloy heatsink
$125.85
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  • 3.6
  (17 reviews)
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
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  • 4.7
  (13 reviews)
640W 4-Channel Reference Series Bridgeable Power Amplifier (RA6404)
Free Ground Shipping within the 48 states
Reference Series 4-Channel Class SQ 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 • FLUID-FETS Circuit for Smooth Sound Quality
$149.99
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  • 5.0
  (1 review)
2000W 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: 160 watts x 4 chan. • 2 ohms: 250 watts x 4 chan. • Bridged, 4 ohms: 500 x 2 chan. • Max power output: 2000 watts x 2 chan.
$109.95
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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
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  • 5.0
  (1 review)
2600W Max 4-Channel Gothic Series Car Amplifier
Free Ground Shipping within the 48 states
4-Channel Gothic Series Car Amplifier • 4 ohms: 215 watts x 4 chan. • 2 ohms: 275 watts x 4 chan. • Bridged, 4 ohms: 550 x 2 chan. • Max power output: 2600 watts
$143.99
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  • 5.0
  (1 review)
580W Max, Sedona Series 4-Channel Amplifier
Free Ground Shipping within the 48 states
Sedona Series 4-Channel Car Amp • 100W x 4-Chan. @ 4 Ohm • 145W x 4-Chan. @ 2 Ohm • MOSFET Power Supply • Variable Bass Boost • Brushed Aluminum Finish • Platinum 4 AWG Power Block • Tri Mode Capable
$109.99
Shipping: FREE
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  • 3.7
  (3 reviews)
760W Max Sedona Series 4-Channel Amplifier
Free Ground Shipping within the 48 states
Sedona Series 4-Channel Class A/B Amplifier • 760W Max • 190W x 4-Chan @ 2 Ohms • 120W x 4-Chan @ 4 Ohms • IDI Intelligent Distress Indicator • Tri-Mode Capable • Soft Start Turn-On • Platinum-Plated Terminals
$149.99
Shipping: FREE
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1400W Max, CRYPT Series 4-Channel Amplifier
Free Ground Shipping within the 48 states
CRYPT Series 4-Channel Car Amplifier • 120W x 4 chan @ 4 ohm • 150W x 4 chan @ 2 ohm • MOSFET PSU Transistors • LED Indicators • Selectable Bass Boost • Aluminum Alloy Heatsink • 3-Way System Protection Circuitry
$95.99
Shipping: FREE
To the US 48 • other rates
  • 5.0
  (1 review)
2000W Max Mean Machine Series 4-Channel Car Audio Amplifier
Free Ground Shipping within the 48 states
Mean Machine Series 4-Channel Class A/B Car Amplifier • 2000 Watts Max • 250 Watts x 4 Chan. @ 2 Ohms • 4-Way System Protection • Selectable Highpass/Lowpass Filters
$122.00
Shipping: FREE
To the US 48 • other rates
  • 4.7
  (10 reviews)
640W RMS, Power Class Series 4-Channel Amplifier (PC 6404)
Free Ground Shipping within the 48 states
Power Class Series 4-Channel Class A/B Car Amplifier • 640W RMS • Large TO218 MOSFET Transistors • Triple Darlington Audio Output Stages • Close Tolerance Signal Path Components • Extra Low Current Drive Stage
$219.00
Shipping: FREE
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  • 4.0
  (3 reviews)
640W RMS 4-Channel Stereo CTX Series Class AB Car Amplifier
Free Ground Shipping within the 48 states
CTX Series 4-Channel Class AB Amplifier • 80W x 4 Chan. @ 4 ohms • 160W x 4 Chan. @ 2 ohms • Bridged 320W x 2 Chan. @ 4 ohms • 3-Way System Protection • 4/3/2/1 Channel Operation • 4 Gauge Power and Ground Inputs • Turn On Delay for Quiet Start-Up
$199.99
Shipping: FREE
To the US 48 • other rates
1700W Max, CRYPT Series 4-Channel Amplifier
Free Ground Shipping within the 48 states
CRYPT Series 4-Channel Car Amplifier • 150W x 4 chan @ 4 ohm • 190W x 4 chan @ 2 ohm • MOSFET PSU Transistors • LED Indicators • Selectable Bass Boost • Aluminum Alloy Heatsink • 3-Way System Protection Circuitry
$99.99
Shipping: FREE
To the US 48 • other rates
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.