Top 10 Best 4 Channel Car Amplifiers
for December 2021

Recommendations are independently chosen by MOOZ’s editors. Purchases you make through our links may earn us a commission.

1
9.9
SCORE
Alpine MRV-F300 4-Channel Car Amplifier, 50 Watts RMS x 4

Alpine MRV-F300 4-Channel Car Amplifier

50 Watts RMS x 4

by Alpine
What We like

Evolution To Class D Digital Platform

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Product Features

  • 50W RMS X 4 (4 , 14. 4V, 1% THD+N)
  • Same Power In A 40% Smaller Chassis
  • 75W RMS X 4 (2 , 14. 4V, 1% THD+N)

75w rms x 4 (2 , 14. 4v, 1% thd+n) 50w rms x 4 (4 , 14. 4v, 1% thd+n) Same power in a 40% smaller chassis

2
9.5
SCORE
Skar Audio SKv2-100.4AB Full-Range Class A/B MOSFET 4-Channel Car Speaker Amplifier, 800W Max Power

Skar Audio SKv2-100.4AB Full-Range Class A/B MOSFET 4-Channel Car Speaker Amplifier

800W Max Power

by Skar Audio
What We like

Heavy Duty Advanced Heatsink Design Allows for Maximum Cooling & Efficiency | Signal-to-Noise Ratio (Sensitivity): 105dB

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Product Features

  • RMS Power at 2 Ohms: 150 Watts x 4 Channels (14.4v)
  • Competition Grade Class A/B 4-Channel MOSFET Car Power Amplifier
  • Peak Power at 2 Ohms: 210 Watts x 4 Channels (14.4v)
  • Featuring 4-Way Protection Circuitry and 4 Gauge Power & Ground Input Terminals for Maximum Current Flow
  • User Adjustable Variable High and Low Pass Filters with x1 and x10 Switches

Competition grade class a/b 4-channel mosfet car power amplifier Peak power at 2 ohms: 210 watts x 4 channels (14.4v) Featuring 4-way protection circuitry and 4 gauge power & ground input terminals for maximum current flow User adjustable variable high and low pass filters with x1 and x10 switches Rms power at 2 ohms: 150 watts x 4 channels (14.4v)

3
9.5
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Kenwood Excelon X301-4 4-Channel Car Amplifier

Kenwood Excelon X301-4 4-Channel Car Amplifier

by KENWOOD
What We like

CEA-2006 Compliant

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Product Features

  • Like new Damaged Package
  • 50 Watts RMS x 4 @ 4 ohms
  • 75 Watts RMS x 4 @ 2 ohms
  • Total Peak Power: 600 Watts

Total peak power: 600 watts Like new damaged package 75 watts rms x 4 @ 2 ohms 50 watts rms x 4 @ 4 ohms

4
9.3
SCORE
BOSS Audio Systems Elite BE1600.4 4 Channel Car Amplifier - 1600 Watts, Full Range, Class AB, 2-8 Ohm Stable, Mosfet Power Supply, Bridgeable

BOSS Audio Systems Elite BE1600.4 4 Channel Car Amplifier

1600 Watts, Full Range, Class AB, 2-8 Ohm Stable, Mosfet Power Supply, Bridgeable

by BOSS AUDIO
What We like

MOSFET POWER SUPPLY: A MOSFET is an electrical switch that allows the flow of electrical current. It controls the output voltage and current precisely by removing the output current sensing loss & eliminating all secondary feedback circuitry

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Product Features

  • BRIDGEABLE: Dramatically increase the power output to you speakers and subwoofers by connecting two amplifier channels
  • POWER: 400 Watts Max x 4 @2-Ohms, 200 Watts Max x 4 @4-Ohms, 800 Watts Max x 2 Bridged @4 Ohms
  • LOW / HIGH LEVEL INPUTS: A low level (RCA) input is measured in voltages. A high level (+/- wire) input is measured in wattages. Both essentially carry signal from your receiver to your amplifier to your speakers
  • VARIABLE GAIN CONTROL: The gain control is not for adjusting volume. It simply adjusts the amount of signal that is coming from your receiver and going to your amplifier
  • 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

Power: 400 watts max x 4 @2-ohms, 200 watts max x 4 @4-ohms, 800 watts max x 2 bridged @4 ohms Dimensions: the be1600. 4 is 11. 9 inches in depth, 7 inches in width and 2. 3 inches in height. it weighs 5 lbs. Variable gain control: the gain control is not for adjusting volume. it simply adjusts the amount of signal that is coming from your receiver and going to your amplifier Full range: with a full range amplifier you not only have the option to run your speakers, but also your subwoofers Low / high level inputs: a low level (rca) input is measured in voltages. a high level (+/- wire) input is measured in wattages. both essentially carry signal from your receiver to your amplifier to your speakers Bridgeable: dramatically increase the power output to you speakers and subwoofers by connecting two amplifier channels 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

5
8.9
SCORE
Skar Audio RP-75.4AB 500 Watt Full-Range Class A/B 4 Channel Car Amplifier

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

by Skar Audio
What We like

Signal to Noise Ratio: 105 dB

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Product Features

  • 500-Watt MOSFET 4-Channel Class A/B Power Car Amplifier
  • 4 Way Protection Circuitry | Frequency Response: 20 Hz - 20,000 Hz
  • 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)

500-watt mosfet 4-channel class a/b power car amplifier 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 Rms power at 4 ohms: 75 watts x 4 channel Rms power at 2 ohms: 125 watts x 4 channels

6
8.9
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BOSS Audio Systems PF1800 4 Channel Car Amplifier - 1800 Watts, Full Range, Class A-B, 2-4 Ohm Stable, Mosfet Power Supply, Bridgeable

BOSS Audio Systems PF1800 4 Channel Car Amplifier

1800 Watts, Full Range, Class A-B, 2-4 Ohm Stable, Mosfet Power Supply, Bridgeable

by BOSS AUDIO
What We like

Mosfet Power Supply - A MOSFET is basically an electrical switch that allows the flow of electrical current. It controls the output voltage & current precisely by removing the output current sensing loss & eliminating all secondary feedback circuitry

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Product Features

  • 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: 13.5 x 10.31 x 2.25, Weight: 12 lbs.
  • Variable Gain Control - The gain control is not for adjusting volume. It simply adjusts the amount of signal that is coming from your receiver and going to your amplifier
  • Variable BASS Boost - With Variable Bass Boost you have the control of exactly how much BASS you want to pump out to your subwoofer(s)

Variable bass boost - with variable bass boost you have the control of exactly how much bass you want to pump out to your subwoofer(s) Bridgeable - dramatically increase the power output to you speakers and subwoofers by connecting two amplifier channels Full range - with a full range amplifier you not only have the option to run your speakers, but also your subwoofers Power - 450 watts max x 4 @2-ohms, 225 watts max x 4 @4-ohms, 900 watts max x 2 bridged @4 ohms Variable gain control - the gain control is not for adjusting volume. it simply adjusts the amount of signal that is coming from your receiver and going to your amplifier Specs - dimensions: 13.5 x 10.31 x 2.25, weight: 12 lbs. 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

7
7.5
SCORE
Rockville dB45 3200 Watt/800w CEA RMS 4 Channel Amplifier Car Stereo Amp, Loud!!

Rockville dB45 3200 Watt/800w CEA RMS 4 Channel Amplifier Car Stereo Amp

Loud!!

by Rockville
What We like

Rockville dB45 800Watt/400 Watt RMS Class AB 2 Ohm Car Stereo Amplifier With Optical Coupler Technology. CEA Compliant Power Ratings (Rated at less than 1 % distortion) (Use these CEA ratings when matching and comparing with other CEA compliant brands such as Kicker, Rockford Fosgate, etc). 2 Ohm: 200 Watts x 4 Channel

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Product Features

  • RMS Power Ratings: (Use these RMS ratings when comparing with great brands such as Hifonics, Earthquake, Soundstream, etc). 2 Ohm: 400 Watts x 4 Channel. 4 Ohm: 270 Watts x 4 Channel. 4 Ohm Bridged: 800 Watts x 2 Channel. Peak: (The amount of power the amplifier can produce for a split second at the loudest part of a song. 2 Ohm: 800 Watts x 4 Channel . 4 Ohm:540Watts x 4 Channel. 4 Ohm Bridged: 1600Watts x 2 Channel.
  • High-Speed MOSFET Power Supply. Under Voltage Protection at 10V. Over Voltage Protection at 16V. Tertiary Supplies Circuitry. Optical Coupler Class AB Technology. Studio-Grade Bipolar Output Stage Transistors . Fully Adjustable 12dB / Octave Crossover with Differential Circuitry. Low Pass Filter: 50Hz - 250Hz. High Pass Filter: 60Hz - 1.2KHz.
  • Full IC-Controlled Protection Circuitry. Fully Adjustable 12dB Bass Equalizer. Mute and Delay Soft Start System. 8 Volt Preamp Circuitry. Status Mode LED Indicator. Minimum THD at Rated Power: < 0.05%. S / N Ratio: >90dB. Frequency Response: 10Hz - 50KHz. Damping Factor: >150 @ 100Hz. 35 Amp*3 ATC Fuse. Dimensions: (W x H x L) 9 x 2.4 x 21.0.

Rms power ratings: (use these rms ratings when comparing with great brands such as hifonics, earthquake, soundstream, etc). 2 ohm: 400 watts x 4 channel. 4 ohm: 270 watts x 4 channel. 4 ohm bridged: 800 watts x 2 channel. peak: (the amount of power the amplifier can produce for a split second at the loudest part of a song. 2 ohm: 800 watts x 4 channel . 4 ohm:540watts x 4 channel. 4 ohm bridged: 1600watts x 2 channel. Full ic-controlled protection circuitry. fully adjustable 12db bass equalizer. mute and delay soft start system. 8 volt preamp circuitry. status mode led indicator. minimum thd at rated power: < 0.05%. s / n ratio: >90db. frequency response: 10hz - 50khz. damping factor: >150 @ 100hz. 35 amp*3 atc fuse. dimensions: (w x h x l) 9 x 2.4 x 21.0. High-speed mosfet power supply. under voltage protection at 10v. over voltage protection at 16v. tertiary supplies circuitry. optical coupler class ab technology. studio-grade bipolar output stage transistors . fully adjustable 12db / octave crossover with differential circuitry. low pass filter: 50hz - 250hz. high pass filter: 60hz - 1.2khz.

8
7.3
SCORE
Planet Audio PL2400.4 4 Channel Car Amplifier - 2400 Watts, Full Range, Class A/B, 2/8 Ohm Stable, Mosfet Power Supply, Bridgeable

Planet Audio PL2400.4 4 Channel Car Amplifier

2400 Watts, Full Range, Class A/B, 2/8 Ohm Stable, Mosfet Power Supply, Bridgeable

by Planet Audio
What We like

Dimensions: Depth 15.9 x Width 7 x Height 2.4"

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Product Features

  • Full-Range, Class A / B Topology, MOSFET Power Supply
  • Low and High Level Inputs, Variable Filter, Variable Bass Boost
  • 600 W MAX Power @ 2 Ohm x 4 Channels
  • 1200 W MAX Bridged Power @ 4 Ohm x 2 Channels
  • Remote Subwoofer Control, Blue Backlit Illumination

Remote subwoofer control, blue backlit illumination Low and high level inputs, variable filter, variable bass boost 600 w max power @ 2 ohm x 4 channels Full-range, class a / b topology, mosfet power supply 1200 w max bridged power @ 4 ohm x 2 channels 300 w max power @ 4 ohm x 4 channels

9
7.3
SCORE
Rockville RXA-F1 1600 Watt Peak/800w RMS 4 Channel Car Stereo Amplifier+Amp Kit

Rockville RXA-F1 1600 Watt Peak/800w RMS 4 Channel Car Stereo Amplifier+Amp Kit

by Rockville
What We like

This unit also features a high speed MOSFET power supply, studio-grade bipolar output stage transistors and ELNA brand audiophile capacitors. It has a fully adjustable 12dB/Octave cross over with differential circuitry. High Level inputs, also referred to as Speaker Level inputs, allow you to install the amplifier into your vehicle even if you do not have any preamp outputs available.

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Product Features

  • 1600 Watt Peak/800w RMS 4 Channel Amplifier Car Stereo Amp. Peak Power: 1600 Watts (2 x 800 @ 2 ohms or 1 x 1600 @ 4 Ohms). High-Speed MOSFET Power Supply. Studio-Grade Bipolar Output Stage Transistors. Fully Adjustable 12dB Bass Equalizer. 2-Ohm Stable Stereo. 4-Ohm Mono Bridgeable. 3 Channel Mixed-Mono Capable
  • 4 Gauge 4 Channel Car Amplifier Wiring Installation Kit. (2) 17 High Grade Twisted Pair of 100% Copper RCA Cable. 17 4 Gauge Translucent Blue SuperFlex Power Cables. 17 18 Gauge Blue Remote Cable. 17 16 Gauge Clear Speaker Wire. 3 4 Gauge Clear SuperFlex Ground Wire. Gold Plated AGU Heat Resistant Fuse Holder. 60 Amp AGU Gold Plated Fuse. 7 Split Tube Loom
  • Mute and Delay Soft Start System. Full IC-Controlled Protection Circuitry. 2 CH / 4 CH Input Mode Switch. RCA Preamp Line Output. ELNA Brand Audiophile Capacitors. 8 Volt Preamp Circuitry. Status Mode LED Indicator. Minimum THD: 200 @ 100Hz. 60 Amp Maxi Fuse
  • Accessories Included: Wire Ties, Ring Terminals, Butt Connectors, Spades, and Grommets. Soft abrasion proof insulating jacket allows for 100% improved flexibility. PVC outer jacket can with-stand an extreme temperature range of -40 to 220 degrees F

1600 watt peak/800w rms 4 channel amplifier car stereo amp. peak power: 1600 watts (2 x 800 @ 2 ohms or 1 x 1600 @ 4 ohms). high-speed mosfet power supply. studio-grade bipolar output stage transistors. fully adjustable 12db bass equalizer. 2-ohm stable stereo. 4-ohm mono bridgeable. 3 channel mixed-mono capable Accessories included: wire ties, ring terminals, butt connectors, spades, and grommets. soft abrasion proof insulating jacket allows for 100% improved flexibility. pvc outer jacket can with-stand an extreme temperature range of -40 to 220 degrees f Mute and delay soft start system. full ic-controlled protection circuitry. 2 ch / 4 ch input mode switch. rca preamp line output. elna brand audiophile capacitors. 8 volt preamp circuitry. status mode led indicator. minimum thd: 200 @ 100hz. 60 amp maxi fuse 4 gauge 4 channel car amplifier wiring installation kit. (2) 17 high grade twisted pair of 100% copper rca cable. 17 4 gauge translucent blue superflex power cables. 17 18 gauge blue remote cable. 17 16 gauge clear speaker wire. 3 4 gauge clear superflex ground wire. gold plated agu heat resistant fuse holder. 60 amp agu gold plated fuse. 7 split tube loom

10
7.3
SCORE
4-Channel High Power MOSFET Amplifier - Slim 2000 Watt Bridgeable Mono Stereo 4 Channel Car Audio Amplifier w/Crossover Frequency and Bass Boost Control, RCA Input and Line Output - Lanzar VCT4110,BLACK

LANZAR 4-Channel High Power MOSFET Amplifier

Slim 2000 Watt Bridgeable Mono Stereo 4 Channel Car Audio Amplifier w/Crossover Frequency and Bass Boost Control, RCA Input and Line Output, Lanzar VCT4110,BLACK

by Sound Around
What We like

SLIM SIZE DESIGN: Measuring only 10.63'' W, 1.78'' H, and 14.02'' L, this amplifier has a slim size design and comes complete with all required mounting hardware for easy installation

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Product Features

  • 1000W RMS / 2000W MAX POWER: The Lanzar 2000 watt 4 channel high power MOSFET amplifier is perfect for your car stereo entertainment system. It can give 500 W x 4 output at 4 ohms or 1000 W x 2 bridged output at 2 ohms for a high quality audio
  • MOSFET POWER SUPPLY: This powerful amplifier is equipped with metal oxide semiconductor field-effect transistors to quickly switch from full to non-conduction for high efficiency output
  • SHORT CIRCUIT PROTECTION: This 4 ch amp is also equipped with a 2x30 amp maxi type fuse to protect the amplifier and the electrical system of your car from thermal / overload / short circuit conditions

Mosfet power supply: this powerful amplifier is equipped with metal oxide semiconductor field-effect transistors to quickly switch from full to non-conduction for high efficiency output Short circuit protection: this 4 ch amp is also equipped with a 2x30 amp maxi type fuse to protect the amplifier and the electrical system of your car from thermal / overload / short circuit conditions 1000w rms / 2000w max power: the lanzar 2000 watt 4 channel high power mosfet amplifier is perfect for your car stereo entertainment system. it can give 500 w x 4 output at 4 ohms or 1000 w x 2 bridged output at 2 ohms for a high quality audio

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