This is the ultimate buyer’s guide to the Best 4 Channel Amp For Door Speakers. We’ve listed our top picks, including the Most popular, Top-rated, and Bestselling Products.
After hours of scanning and analyzing the market, using too many factors, we have found the Best 4 Channel Amp For Door Speakers of 2022. Check out our ranking below!


Top 20 Best 4 Channel Amp For Door Speakers of 2022



Best 4 Channel Amp For Door Speakers 2022 (Reviews)


Skar Audio SKv2-200.4D Full-Range Class D MOSFET 4-Channel Car Speaker Amplifier, 1800W Max Power

 in stock
Amazon.com
as of March 2, 2022 8:32 pm

Features

  • Competition Grade Class D 4-Channel MOSFET Car Power Amplifier
  • Peak Power at 2 Ohms: 465 Watts x 4 Channels (14.4v)
  • RMS Power at 2 Ohms: 320 Watts x 4 Channels (14.4v)
  • Stable at 2 Ohms, Frequency Response: 10 Hz - 40,000 Hz
  • Featuring 4-Way Protection Circuitry and 4 Gauge Power & Ground Input Terminals for Maximum Current Flow

Rockford Fosgate R2-300X4 300-Watt 4-Channel Amplifier

$279.99  in stock
19 new from $275.99
2 used from $199.00
Amazon.com
as of March 2, 2022 8:32 pm

Features

  • The R2-300X4 full-range class-D 4-channel amplifier (1.9" x 6.8" x 10.1") is packed with features and performance to deliver power and bass on demand with 300 Watts of RMS power
  • Class D technology makes this amp extremely efficient by reducing demand on the vehicles electrical system (RMS Power: 50 Watts x 4 @ 4Ω OR 75 Watts x 4 @ 2Ω OR 150 Watts x 2 @ 4Ω Bridged/Mono)
  • Featuring C.L.E.A.N. circuitry to help you adjust your gain settings, a P.O.W.E.R. Supply that generates more power as voltage increases, and integrated Punch EQ that corrects for acoustic deficiencies while delivering up to 3X the bass
  • Featuring fully adjustable 12 dB/octave high and low pass butterworth crossovers, balanced differential inputs with RCA pass through outputs, high level input capable, defeat able auto turn on circuit and top mounted controls
  • Famous Rockford Fosgate build quality with a full 1-year warranty when purchased from an authorized Rockford Fosgate reseller

Blaupunkt 1500W 4-Channel, Full-Range Amplifier

$69.81
$64.50
 in stock
10 new from $56.98
1 used from $65.35
Free shipping
Amazon.com
as of March 2, 2022 8:32 pm

Features

  • 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

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

$160.00
$124.99
 in stock
2 new from $124.99
Free shipping
Amazon.com
as of March 2, 2022 8:32 pm

Features

  • Power - 450 Watts Max x 4 @2-Ohms, 225 Watts Max x 4 @4-Ohms, 900 Watts Max x 2 Bridged @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
  • 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
  • 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

Kicker 46CXA3604T 360 Watt RMS 4 Channel 50-200 Hz Vehicle Car Audio Class A/B Amplifier with Variable High and Low Pass Filters

$229.99  in stock
15 new from $219.95
2 used from $176.26
Free shipping
Amazon.com
as of March 2, 2022 8:32 pm

Features

  • 4-CHANNEL AMPLIFIER: 4-channel amplifier can put out 65 watts per channel to enhance your music and get a boost in volume and clarity; Hardware is included that allows you to easily mount vertically
  • SMOOTH SOUND: Separate high and low pass filters on the front and rear channels help you sculpt the sound to get the most out of all your speakers
  • LOW-END BASS PUNCH: Variable bass boosts can allow you to add some low-end punch; Amplifier is free from noise or interference so that you can tap into your speaker wiring without any worry
  • QUICK TURN ON/OFF: Quick 3-second turn on/off delay eliminates system pops
  • SPECIFICATION: 65 watts RMS x 4 at 4 ohms; 180 watts RMS x 2 bridged at 4 ohms; Class: A/B Amplifier; Frequency response: 10-20,000 Hz; Variable bass boost: 0-6 dB at 40 Hz

Rockford Fosgate PBR400X4D Punch Compact Chassis Amplifier

$279.99  in stock
16 new from $279.99
Amazon.com
as of March 2, 2022 8:32 pm

Features

  • Our compact (1.5" x 4.25" x 6.75") PBR400X4D is small enough to fit in just about any application but packs a Punch with 400 Watts RMS of power!
  • Versatile design can be used in either 2 or 4 channel configurations (RMS Power Output: 50 Watts x 4 @ 4-Ohm or 100 Watts x 4 @ 2-Ohm or 200 Watts x 2 @ 4-Ohm Bridged)
  • Ultra efficient Class D full range design produces maximum power with minimal strain on the vehicle's electrical system. A great choice for both mobile installs as well as motorcycles and recreational vehicles
  • High level inputs with auto-on feature as well as differential RCA inputs along with selectable fixed 12dbB/Octave Butterworth Crossovers make the PBR400X4D amp compatible with just about any installation
  • Famous Rockford Fosgate build quality insures that the PBR400X4D will handle everything you throw at it! Full 1-year parts and labor warranty when purchased from an authorized Rockford Fosgate reseller

Skar Audio SK8MB 8" 2-Way Marine Full Range 500 Watt Coaxial Speakers, Pair (Black)

$184.99  in stock
1 used from $146.96
Free shipping
Amazon.com
as of March 2, 2022 8:32 pm

Features

  • 8" 2-Way Coaxial Full Range Marine Grade Speakers, Pair (Black)
  • Peak Power: 500 Watts (Pair), RMS Power: 250 Watts (Pair)
  • Premium Microfiber Composite Mineral Filled Mid-Woofer Cone with Butyl Surround
  • 1" Marine Grade Silk Dome Tweeter Mounted on Top of Mid-Range for Balanced Sound
  • Impedance: 4 Ohms, 1.5" High Temperature SV Voice Coil

Skar Audio Dual 12" Complete 2,400 Watt SDR Series Subwoofer Bass Package - Includes Loaded Enclosure with Amplifier

 in stock
Amazon.com
as of March 2, 2022 8:32 pm

Features

  • All-in-One Complete SDR Series Dual 12-inch Loaded Subwoofer Complete Bass Package
  • Peak Power: 2,400 Watts, RMS Power: 1,200 Watts
  • Includes x1 Skar Audio SDR-2X12D4 Dual 12" Loaded 2,400 Watt Vented Subwoofer Enclosure
  • Includes x1 Skar Audio RP-1200.1D Class D 1,200 Watt Monoblock Car Subwoofer Amplifier
  • Includes x1 Skar Audio SKAR4ANL-OFC 4 Gauge Premium OFC Complete Amplifier Wiring Kit

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

$75.09  in stock
16 new from $75.09
Free shipping
Amazon.com
as of March 2, 2022 8:32 pm

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
  • 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

Rockville RVF-2 1200w Peak/300w Dyno-Certified RMS 4 Channel Car Amplifier Stereo Amp

$94.95  in stock
3 new from $94.95
Amazon.com
as of March 2, 2022 8:32 pm

Features

  • Rockville RVF-2 1200w Peak/300w Dyno-Certified RMS 4 Channel Car Amplifier Stereo Amp.
  • 2 Ohm: 75 Watts x 4 Channel
  • Fully Adjustable 6dB / Octave Crossover with Differential Circuitry. Low Pass Filter: 50Hz - 200Hz. High Pass Filter: 50Hz - 1.2KHz. Full IC-Controlled Protection Circuitry.
  • Fully Adjustable 12dB Bass Equalizer. Mute and Delay Soft Start System. Status Mode LED Indicator. Minimum THD at Rated Power: 90dB.
  • Under Voltage Protection at 9V. Over Voltage Protection at 16V. Frequency Response: 20Hz – 20KHz. Damping Factor: >150 @ 100Hz. Fuse: 20A x 2. Dimensions: (L x W x H) 12.2" x 8.5" x 2.24". Weight: 6.1 lbs

BOSS Audio Systems R1004 4 Channel Car Amplifier – Riot Series, 400 Watts, Full Range, Class A/B, 2 Ohm Stable, IC (Integrated Circuit) Great for Car Speakers and Car Stereos

$91.99
$48.14
 in stock
5 new from $48.14
Free shipping
Amazon.com
as of March 2, 2022 8:32 pm

Features

  • 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
  • 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

Sonos Play: 5 - Ultimate Wireless Smart Speaker - Black

$679.99  in stock
3 new from $649.00
1 used from $609.99
Amazon.com
as of March 2, 2022 8:32 pm

Features

  • Our biggest and best-sounding speaker featuring six amplifiers with six dedicated speaker drivers. Fill even the largest rooms with pure, brilliant sound. Stereo pair for an even better sound experience.
  • Play different songs in different rooms at the same time. Or, pump one song in perfect sync, throughout your home.

BOSS Audio Systems PT1000 2 Channel Car Amplifier - 1000 Watts, Full Range, Class A/B, 2-8 Ohm Stable, Mosfet Power Supply, Bridgeable

$125.00
$95.99
 in stock
4 new from $95.99
Free shipping
Amazon.com
as of March 2, 2022 8:32 pm

Features

  • Power - 500 Watts Max x 2 @2-Ohms, 250 Watts Max x 2 @4-Ohms, 1000 Watts Max x 1 Bridged @4 Ohms
  • Full Range - With a Full Range amplifier you not only have the option to run your speakers, but also your subwoofers
  • 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
  • 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
  • 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

Taramps DS 800x4 4 Channels 800 Watts Rms Car Audio Amplifier 1 Ohm

$148.98  in stock
19 new from $147.99
Free shipping
Amazon.com
as of March 2, 2022 8:32 pm

Features

  • Full-range
  • Class-D amplifier
  • 4 channels of 200 watts RMS @ 1 Ohm
  • Crossover HPF and LPF
  • Variable gain control

Hifonics BXX800.4 Brutus 800W RMS A/B 4 Channel Speaker Car Audio Amplifier

$147.99
$140.00
 in stock
4 new from $138.99
Free shipping
Amazon.com
as of March 2, 2022 8:32 pm

Features

  • 4 Channel Car Audio Amplifier

CT Sounds CT-80.4AB Full-Range Class AB 4 Channel Car Audio Amplifier, 480 Watts RMS

$149.99
$139.99
 in stock
2 new from $139.99
Free shipping
Amazon.com
as of March 2, 2022 8:32 pm

Features

  • Show your friends you can do 70 mph down the highway with the windows down and still have crisp and clean sound over the wind noise with this car speaker amplifier
  • Small footprint and compact chassis makes this amplifier easy to install in any vehicle or 4ch amplifier car audio application; but don’t let the size fool you, this 4ch car amp produces amazing sound quality
  • MOSFET pulse width modulated power supply, premium components, and proprietary heat dissipation design will ensure the four channel car amplifier runs cool for even the most demanding playlists
  • 4-way protection circuitry features high voltage, low voltage, over current, and high-temperature protection for your car stereo power amplifier
  • Car stereo amplifier with 110 watts RMS at 2-ohm load x 4-channels (14.4v); 80 watts RMS power at 4-ohm load x 4-channels (14.4v); 160 watts RMS at 4-ohm bridged x 2-channels (14.4v)

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

 in stock
Amazon.com
as of March 2, 2022 8:32 pm

Features

  • 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

KICKER 47KEY2004 Smart 4 Channel Digital Signal Processor 200W Amplifier Bass Revealer Audio Processor Vehicle Audio System, Black

$299.99
$269.99
 in stock
12 new from $269.99
Amazon.com
as of March 2, 2022 8:32 pm

Features

  • AMPLIFIER AND AUDIO PROCESSOR: Smart subwoofer amplifier and audio processor all in 1 featuring an AI-driven DSP
  • POWERHOUSE: 40-band equalizer improves tonality, and a 24dB crossover re-defines the capabilities of each speaker; Delivers 200 Watts of power to your factory speakers; Auto EQ microphone with selector switch included
  • MOUNT ANYWHERE: With the small size, mount behind your glove box, under the seat, or in your trunk with ease; Dimensions (L x W x H): 7.37 x 7 x 4.3 inches
  • UNIVERSAL COMPATIBILITY: Fully compatible with newer vehicles using start-stop systems; Features FIT 2+ which provides nearly universal compatibility with stock or aftermarket radios
  • TEMPERATURE CONTROL: If the temperature reaches the threshold, the systems dynamic power management kicks into gear and lets it cool down

Rockford Fosgate P400X4 Punch 400 Watt 4 Channel Amplifier

$339.99  in stock
12 new from $339.99
Amazon.com
as of March 2, 2022 8:32 pm

Features

  • The Punch P400X4 is a 400 watt 4-channel amplifier (2.38” x 7.76” x 11.03”) is perfect for a 4-way full-range system or a 3-way system having a front stage with subwoofers on the rear channels
  • Versatile multi-channel design is a perfect choice for virtually any vehicle (RMS Power Output: 50 Watts x 4 @ 4-Ohm OR 100 Watts x 4 @ 2-Ohm OR 200 Watts x 2 @ 4-Ohm Bridged)
  • RCA inputs can accept both Hi and Low level audio signals without the need of a signal converter
  • Featuring Class A/B topology, RCA pass-thru outputs, on-board Punch EQ with +18dB boost @ 45Hz, variable 12 dB/Oct Butterworth crossovers, and C.L.E.A.N. Set-up
  • Famous Rockford Fosgate build quality with a full 1-year warranty when purchased from an authorized Rockford Fosgate reseller

Skar Audio SK-M4004D Compact Full-Range Class D 4 Channel Car Amplifier, 400W

$225.00  in stock
Amazon.com
as of March 2, 2022 8:32 pm

Features

  • Ultra Compact MOSFET Full-Range 4-Channel Class D Car Amplifier
  • RMS Power @ 2 Ohms: 140 Watts x 4 Channels (14.4v)
  • RMS Power @ 4 Ohms: 100 Watts x 4 Channels (14.4v)
  • Crossover Controls: HPF / Full-Range / LPF | Frequency Response: 10Hz - 40kHz
  • Hi-Level Input Connections: Yes | 8 Gauge Power and Ground Input Terminals

Best 4 Channel Amp For Door Speakers 2022 | Price Comparison

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Your Guide To Buying The Best 4 Channel Amp For Door Speakers

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