10 Best 4 Channel Amps Reviewed as of April 2024

Reviews Scanned

Taramps TS 400x4 400 watts RMS 4 Channels Full Range Car Audio Amplifier, 2 Bridged Channels, RCA Input Class D, Output Power, Multichannel Amplifier System, Small

The TS line is Full Range amplifiers so it can be wired with subwoofers, woofers, drivers and tweeters, in addition to being 4-channel amplifiers with RCA input and High Level Input.
The TS 400x4 is 400 Watts RMS rated at 2 Ohms, with 4 channels of 100 Watts RMS each and is a FULL RANGE amplifier.
The Positive/Negative power supply cable is 11 AWG. The output cables wire gauge is 15 AWG and the remote cable is 18 AWG. 20A circuit breaker or a fuse is recommended
Crossover: HPF 90Hz (-12dB/8ª) Fixed / LPF 90Hz (-12dB/8ª) Fixed and LEVEL control.
Dimensions (W x H x L): 5.43" x 1.93" x 4.76" / Weigth: 1.32lb

Crunch PX-1025.4 1000W Powerzone Series 2-ohm Stable 4-Channel Class-A/B Amplifier with Gravity Magnet Phone Holder Bundle

Crunch Powerzone Series PX-1025.4 + Gravity Magnet Phone Holder Bundle
Class-A/B Full Range 2 ohm Stable 4-Channel Amplifier
4 ohms: 125 watts x 4 chan. 2 ohms: 250 watts x 4 chan. Bridged, 4 ohms: 500 watts x 2 chan.
3-way protection circuitry (thermal, overload, and speaker short protection)
Preamp RCA outputs to daisy chain multiple amps

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Taramps DS 800x4 1 Ohm 800 Watts RMS 4-Channel 200x4 RMS, Class D, Full Range, Crossover High / Low Pass Fixed, Bridgedable Car Audio Amplifier, White

The DS line are Full Range amplifiers so it can be wired with subwoofers, woofers, drivers, tweeters, twwo and three-way speakers, in addition, it contains 2 and 4 channel amplifiers with RCA input and High Level Input.
The DS 800x4 is 800 Watts RMS rated at 1 Ohm with 4 channels of 200 Watts RMS each and is a FULL RANGE amplifier.
The Positive/Negative power supply cable is 7 AWG. The output cables wire gauge are 15 AWG and the remote cable is 18 AWG. 60A circuit breaker or a fuse is recommended
Crossover: HPF 90Hz (-12dB/8ª) Fixed / LPF 90Hz (-12dB/8ª) Fixed and Level control.
Dimensions (W x H x L): 6.81" x 2.05" x 8.94" / Weigth: 3.15lb

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BOSS Audio Systems R1004 Riot Series Car Amplifier - 400 High Output, 4 Channel, 2/8 Ohm, High/Low Level Inputs, Full Range, Hook Up to Stereo and Subwoofer, Class A/B, IC (Integrated Circuit)

Power - 100 Watts Max X 4 @2-Ohms, 50 Watts Max X 4 @4-Ohms
Class A/B Topology - Class ‘A’ Amplifiers Have Enormous Amount Of Current Flowing Through Its Output Transistors With No Audio Signal. Class ‘B’ Amplifiers Have No Current Flowing Through Its Outputs With No Audio Signal
Full Range - With A Full Range Amplifier You Not Only Have The Option To Run Your Speakers, But Also Your Subwoofers
Specs - Dimensions: 7.8” x 9” x 2”, Weight: 3.09 lbs., Speaker Impedance: 2 to 8 Ohm, THD @ RMS Output: 0.01%, S/N Ratio: 90 dB, Frequency Response: 12 Hz to 22 kHz, Fuse Quantity: 1 15 Amp ATO Blade
BOSS Audio Systems provides a powerful 6-year Platinum Online Dealer Warranty so long as the purchase is made through Amazon.com. We strongly encourage professional installation of this product to ensure proper and safe functionality

Alpine S-A32F S-Series 4-Channel Digital Amplifier - 80 Watts RMS x 4 @ 2-Ohms

Power output 4-Ohm @ 14.4 Volts: 55 W RMS X 4
Power output 2-Ohm @ 14.4 Volts: 80 W RMS X 4
Power output 4-Ohm Bridged @ 14.4 Volts: 160 W RMS X 2
Dimensions: Width - 8-1/8", Height - 2-3/8", Depth - 8-1/8"
The S-Series amplifiers were designed to perfectly complement the already established and loved S-Series speaker and subwoofer line.

SounDigital Amplifier (400W 4 Channels)

400W total power output
Four channels for versatile speaker configurations
SounDigital car audio amplifier
Compact and durable design
Supports various speaker configurations

Blaupunkt 1500W 4-Channel, Full-Range Amplifier

1500W Maximum Power Full-Range Amplifier
Optimized 150-watt RMS output and a max power output of 1500 watts, you can give your music a huge boost in power that will have you and your passengers partying while on the road
This slim amplifier fits perfectly into any trunk so you can easily connect it to your stereo system

Skar Audio RP-75.4AB 500 Watt Full-Range Class A/B 4 Channel Car Amplifier

500-Watt MOSFET 4-Channel Class A/B Power Car Amplifier
RMS Power at 2 Ohms: 125 Watts x 4 Channels
RMS Power at 4 Ohms: 75 Watts x 4 Channel
User Adjustable Controls: Gain, Variable LPF, HPF, Bass EQ Switch (0, +6, +12 dB)
4 Way Protection Circuitry | Frequency Response: 20 Hz - 20,000 Hz

Recoil DI550.4 Full-Range Class-D 4-Channel Car Audio Amplifier, 1,040 Watts Max Power, 2-4 Ohm Stable, Mosfet Power Supply, Bridgeable

Class D 4-Channel Amplifier, 1040 Watts Max Power, RMS 130 Watts x 4 Channels@2 Ohm; RMS 80 Watts x 4@4Ohm; RMS (Bridged): 260 Watts x 2@4Ohm; Peak Power: 260 Watts x 4@2Ohm
Featuring a high-speed MOSFET power supply, premium grade internal components, as well as 4-way protection circuitry, the amplifier will safely operate at the highest levels of performance for hours on end.
With a depth of adjustable user controls such as the gain, LPF, HPF, crossover, and bass EQ, this amplifier is extremely versatile and can be used in countless applications.
Highly efficient heatsinks keep the amplifier cool with a sophisticated new look.
Dimensions: 7.48" x 5.90" x 1.77"

Planet Audio AC1200.4 4 Channel Car Amplifier - 1200 Watts, Full Range, Class A/B, 2-4 Ohm Stable, Mosfet Power Supply, Bridgeable

1200 W MAX Power, 4 Channel 225 W X 4 RMS @ 2 ohm 113 W X 4 RMS @ 4 ohm 450 W X 2 RMS Bridged @ 4 ohm
Full Range Class A/B, MOSFET Power Supply
High and Low Level Inputs
Fixed High Pass Crossover, Variable Low Pass Crossover, Variable Bass Boost.6 Year Platinum Dealer Warranty
Frequency Response:20 Hz to 20 kHz ±1 dB

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