14 Best 100 Watt 4 Channel Car Amplifier: 2022 Reviews & Buying Guide

14 Best 100 Watt 4 Channel Car Amplifier: 2022 Reviews & Buying Guide

The best 100 Watt 4 Channel Car Amplifier go beyond what’s expected. They’re the ones that make us think, “Wow, I never knew I could do this!”

When you think about it, we use products every day. They help us get through our days and make our lives easier. But sometimes, we forget how much work goes into making those products so useful and reliable – and how many people are involved in getting them to market.

We want to help you find the best 100 Watt 4 Channel Car Amplifier for your life, so that you can spend less time thinking about what’s out there and more time enjoying it!


List of 14 Best 100 Watt 4 Channel Car Amplifier Reviews

BOSS Audio Systems CE102 2 Channel Car Amplifier - 100 Watts, Full Range, Class A/B, IC (Integrated Circuit)

 in stock
13 new from $29.80
7 used from $23.08
Free shipping
as of October 21, 2023 9:50 am


  • Power - 50 Watts Max x 2 @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
  • 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
  • High & Low 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
  • Fixed Low-Pass Crossover - Subwoofers reproduce sound based on a number of different low-range frequencies. You can set sound specifications for the bass frequency reproduction

Sound Storm EV4.400 Evolution 400 Watt, 4 Channel, 2 to 8 Ohm Stable Class A/B, Full Range Car Amplifier

 in stock
3 new from $62.01
Free shipping
as of October 21, 2023 9:50 am


  • 100 W MAX Power @ 2 Ohm x 4 Channels
  • 50 W MAX Power @ 4 Ohm x 4 Channels
  • Full-Range, Class A / B Topology
  • Low and High Level Inputs, Variable Input Gain Control

Rockville KRYPTON F1 1600w Peak / 400w RMS 4 Channel Amplifier Car Audio Amp

$99.95  in stock
as of October 21, 2023 9:50 am


  • Rockville KRYPTON F1 1600w Peak / 400w Dyno-Certified RMS 4 Channel Amplifier Car Audio Amp.
  • Dyno Certified RMS Power Ratings: (Certified Dyno Test / Less than 1 % THD) (Use these ratings when comparing with top brands such as Kicker, Rockford Fosgate, etc). 2 Ohm: 100 Watts x 4 Channels
  • 4 Ohm Bridged: 200 Watts x 2 Channel. Peak: (Use these ratings when comparing with the top budget brands such as Boss, Power Acoustik, etc). 2 Ohm: 400 Watts x 4 Channels. 4 Ohm: 280 Watts x 4 Channels. 4 Ohm Bridged: 800 Watts x 2 Channels.
  • All channels on the amp have crossovers so they can each be used for subs or full range speakers or tweeters or midrange speakers. All channels on the amplifier are bridgeable. Digital Voltage Display on Amp. Fully Adjustable 12dB / Octave Crossover with Differential Circuitry.
  • Adjustable Subsonic Filter: 15Hz -40Hz (This filter is on the HPF knob). Adjustable Low Pass Filter: 40Hz – 4KHz. Adjustable Band Pass Filter: 15 Hz - 4 kHz (use both the HPF and LPF filter). Adjustable High Pass (Subsonic) Filter: 15 Hz - 4 kHz. 2CH/4CH Input Mode Switch. 8 Volt Preamp Circuitry

Pyle Auto 2-Channel Marine Amplifier - 200 Watt RMS 4 OHM Full Range Stereo with Wireless Bluetooth & Powerful Prime Speaker - High Crossover HD Music Audio Multi Channel System PLMRMB2CB, Black

 in stock
2 new from $57.27
1 used from $45.76
Free shipping
as of October 21, 2023 9:50 am


  • WIRELESS BLUETOOTH CONNECT: This bluetooth is built in with 2. 0 version and with the wide range that could reach up to 30’ + feet even on underwater. It has power protection circuitry and electronic high crossover network that bridge
  • COMPACT AND POWERFUL: This bridgeable multi-channel amp is prime class and slim pack with 2x100 Watts RMS @ 4Ohm, 2x 200Watt MAX @ 4Ohm and 2x300 Watt RMS @ 2 Ohm and has wire auxiliary RCA audio connection and integrated cable for easy installation.
  • WORKS TO ALL DEVICES: This powerful multi 2-channel marine and car amplifier can immediately connect to all of your favorite gadgets such phone, ipod, iphone, android, tablet and can be used for boat or aquatic vehicle application or in your car.
  • WEATHERPROOF WATER RESISTANT DESIGN: This extremely efficient, 2 channel, 200w outdoor amp is fully marinized with a waterproof and rust resistant coating on the PCB and mechanical casing. Truly, lives the one and only legacy of an auto amplifier.
  • INCOMPARABLE SPEAKER: This latest 200watt 2 channel subwoofer amplifier takes your small vehicle’s no filter music audio system to the next level. It is install with full HD sound, bass control and LED lights indicator that your stereo is working.

PRV Audio QS400.4 2 Ohm Mini Compact 4 Channel Car Audio Amplifier 4 x 100 Watts RMS at 2 Ohm - Stereo 12 Volts Amp Class D Full Range Bridgeable

$84.91  in stock
2 new from $84.91
Free shipping
as of October 21, 2023 9:50 am


  • 4 x 100 watts TRUE RMS certified at full range output Digital Class D Brazilian Technology
  • 4 Channel car audio amplifier stable at 2 Ohm gives you the benefit of wiring multiple speakers and dividing the power per channel.
  • Engineered to be the most efficient full range amplifier so that you can get the most out of your vehicle’s electrical system!
  • A small footprint and compact chassis make this amplifier easy to install anywhere in the vehicle: 4″ Wide x 5.40″ Length x 2″ Height
  • 2 Channel Bridged - double the power output to your speakers by bridging two channels. Minimum impedance of 4 Ohms per bridged channel at output power of 2 x 200 Watts RMS.

Pioneer GM-DX874 4-Channel, Class D, 1200 W Max Power - Multi-Channel Amplifier

 in stock
as of October 21, 2023 9:50 am


  • Maximum Power Output - Class D amplifiers can deliver high power output, and the GM-DX874 is no exception with its maximum power output of 1,200 watts. This powerful amplification allows for dynamic and impactful sound reproduction.
  • Hi-Res Audio Playback - The frequency response of this amplifier stretches up to 50,000 Hz, so it will support crystal-clear, Hi-Res Audio playback. Pioneer uses high-grade electronic parts and gold-plated RCA connections to ensure maximum performance.
  • Compact Design - Class D amplifiers are generally more compact in size compared to other amplifier classes. The compact design of the GM-DX874 makes it easier to install in various vehicles with limited space and without taking up excessive space.
  • Variable Low-Pass and High-Pass Filter - For extra flexibility, a variable LPF makes audio frequency more adjustable according to subwoofer characteristics and personal listening preferences. The GM-DX874 LPF is adjustable from 40 Hz to 500 Hz.
  • Protection Control System - Monitors the input voltage, current consumption, and operating temperature to automatically adjust the amplifier’s output to ensure stability during listening sessions or when installed in high-temperature environments.

BLAUPUNKT AMP1804BT Car Audio 4-Channel Class D Amplifier 1600W with Bluetooth Full Range Amp.

 in stock
as of October 21, 2023 9:50 am


  • 1600W Maximum Power Full-Range Amplifier With Bluetooth
  • Optimized 150-watt RMS output and a max power output of 1600 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
  • Amplifier Class D 4/3/2 Channel Max. Output Power: 1600W x 4 RMS Power (4 Ohms) 100W x 4 RMS Power (2 Ohms): 150W x 4
  • Frequency Response: 10Hz - 30Hz Signal-To- Noise Ratio: =>90dB Voltage Supply: 11 - 15V DC Gain Adjust: 250mV-6V Dimension: 6.7" x 3.8" x 1.8"

Alpine R-A60F R-Series Four Channel Amplifier - 150 Watts x 4 at 2-Ohms, 100 Watts x 4 at 4-Ohms

 in stock
5 new from $309.95
Free shipping
as of October 21, 2023 9:50 am


  • Alpine’s Class D Amplifier Circuit with Dual Post-Filter Feedback Loops
  • CTA-2006-B Power Rating: 100W RMS x 4 (4ohm, 14.4V ≤ 1% THD+N); 150W RMS x 4 (2ohm, 14.4V≤ 1% THD+N)
  • Bridged: 300W x 2 (4ohm, 14.4V, ≤1% THD+N)
  • S/N ratio: >85dB (ref: 1W into 4 ohm), 106dB (at rated power)
  • THD+N ≤0.03% (ref: 1W into 4 ohm)

MB Quart Formula Series 100-Watt 2-Channel Class AB Amp, Black

$73.90  in stock
5 new from $55.00
as of October 21, 2023 9:50 am


  • 100 x 2 watts at 2 ohm
  • 50 watts x 2 at 4 ohms
  • 200 watts mono bridged x 1 at 4 ohms
  • Variable high-pass crossover with 12 dB per octave: Switched, Full/HPF/LPF, 50 Hz to 500 Hz
  • Variable low-pass crossover with 12 dB per octave: Switched, Full/HPF/LPF, 50 Hz to 250 Hz

BOSS Audio Systems OX4.400 4 Onyx Series Car Amplifier – 1600 High Output, 4 Channel, Class A/B, Low/High Level Inputs, Low Pass Crossover, Bass, Full Range, Bridgeable, for Subwoofer

 in stock
as of October 21, 2023 9:50 am


  • Power - 400 Max x 4 @2-Ohms, 800 Max x 2 @4-Ohms, 1600 Max x 1 Bridged @4 Ohms
  • Bridgeable - Dramatically increase the power output to you speakers and subwoofers by connecting two amplifier channels
  • 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)
  • Specs – Dimensions: 12.25” x 7” x 2.3”, Weight: 6.4 lbs.
  • 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

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)

 in stock
as of October 21, 2023 9:50 am


  • 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

Gravity 2 Channels Car Audio Hi Low High to Low Impedance RCA Line Converter for Car Receiver and Amplifier + Built-in Remote Turn-On, Ground Loop Isolator - GR-HL2

$9.99  in stock
2 new from $9.99
Free shipping
as of October 21, 2023 9:50 am


  • ☞【Purpose】 High-frequency speaker output will be converted to low-frequency RCA output, connect the car amplifier subwoofer signal input
  • ☞ 【For Car CD, VCD, DVD】100% Brand new high to low converter, used for car CD VCD DVD player without low frequency RCA output
  • ☞ 【Adjustable Attenuation】Provide the level gain adjustment. Use the adjustment rotate button, you can adjust the bass down without having to pull over and manually adjust the input level of the amplifier to the minimal one, very convenience
  • ☞ 【RCA Function High to Low】The Converter allows you to get RCA line level outputs from your high-level output device. It also can convert the high-voltage signal output of the amplifier or speaker to the low-voltage signal, improve sound quality
  • ☞ 【Simple to Install】Wiring diagram is attached on the back of the package, our line converter car audio is convenient to install

Power Amplifier Board, High Power Sound Stereo BT Amplifier Board, DC12‑24V Digital Power Amplifier Board for 4‑8Ω Speakers

$19.49  in stock
as of October 21, 2023 9:50 am


  • DURABLE AND RELIABLE: Made with high quality PCB materials, this amplifier board is built to last. It offers stable performance and is designed to withstand the rigors of daily use, ensuring long-lasting enjoyment of your audio.
  • POWERFUL AMPLIFICATION: This power amplifier board delivers a high power output, allowing you to enjoy a louder and more immersive audio experience with your 4-8Ω speakers.
  • INPUT AND OUTPUT: The digital power amplifier board supports AUX and BT sound source input, and supports subwoofer and left and right channel output, you can adjust the frequency, volume, treble, bass, etc.
  • VERSATILE COMPATIBILITY: This high power amplifier board is compatible with a wide range of devices, including TVs, computers, and more. It is the perfect addition to your home audio system or DIY project.
  • EASY INSTALLATION: This sound stereo amplifier board features a user friendly design that makes installation a breeze. Simply connect your speakers and power source, and you'll be ready to enjoy enhanced audio in no time.

CERWIN Vega IOEM24 2/4 Channel Line Output Converter, 2/4-IN, 2/4-OUT (2-in,4-Out)

$37.99  in stock
4 new from $37.99
as of October 21, 2023 9:50 am


  • 4-Channel (2 IN / 4 OUT) Line-Output Converter Ideal Interface For Adding an Aftermarket Amplifier
  • Single Dial, Precision Matched, Stereo & Level Gain Adjustment Up to 40 Volts RMS High Level Input Sensitivity
  • Up to 9.5 Volts RMS Low-level RCA Output Wide Range DC Offset Circuit and REM Turn-On Options
  • Selectable 20Ω / 60Ω / 20KΩ Load Input Impedance Dimensions: 6.68” x 3.9” x 0.94” / 169.6 x 99.2 x 24 mm
  • Remote Bass Knob Included (only on 4 channel)

Things to consider when buying the best 100 Watt 4 Channel Car Amplifier

When buying 100 Watt 4 Channel Car Amplifier, there are many things to consider. If you’re looking for the best quality, there are a few things you can do to ensure that you’re getting what you paid for.

How much does it cost?

You need to be able to afford the product that you’re considering buying. If you can’t afford it, then don’t buy it! There are plenty of other options out there that might work for you. Make sure that the price isn’t going to be too much for your budget before making any decisions about buying a particular product or service.

How long will it last?

You also want something that will last a long time (or at least longer than others in its class). The longer something lasts, the better deal you’ll get on your purchase price because you won’t have to replace it as often—or at all! That’s why we recommend choosing quality products over cheap ones whenever possible so that they last longer and keep working well without needing repairs or replacements down the line (which means less money spent overall).

What are the benefits of buying this product?

If the product can do something that you don’t know how to do, or if it will save you time and money in the long run, then it might be worth considering.

Is there a warranty?

Most companies offer some sort of warranty on their products, which can be helpful if something goes wrong with your purchase and you need a replacement or repair parts sent out quickly so that you don’t miss out on using your product while waiting for repairs or replacements.

Is the company reputable?

A reputable company will also have an established reputation for customer service and satisfaction. This means that if something does go wrong with your product or if you have any trouble using it, someone from the company will be available to help address those issues as quickly as possible so that they do not become major problems for either party involved (you or them).

Do other people like this product?

The next factor to consider is what other people have to say about the product. If you’re looking at reviews on Amazon or elsewhere, make sure that they’re from real customers who actually bought the product and aren’t just paid reviewers. You can also ask around at work or among friends—you may be surprised by how many people have tried this product and what they think of it!

What is the return policy, if any?

Some companies will let you send back an item within 30 days if it doesn’t meet your expectations; others won’t even offer that much flexibility! Make sure to check before making any purchases so that you don’t get stuck with something you don’t like or need after all.

Final Word

We’ve covered a lot of ground today. We’ve looked at the best 100 Watt 4 Channel Car Amplifier, the worst products, and some products that are just okay. But what does it all mean?

In this post, we’ve talked about how to choose the best products for your needs and how to avoid buying things that aren’t worth your time or money. We’ve also talked about how to get the most out of your new purchase by choosing a product that actually works for you and using it properly.

If you’re looking for a good product, then look no further than our list of top 14 100 Watt 4 Channel Car Amplifier!

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