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The 8 Best 4 channel amp for motorcycle of 2025

Are you trying to find 4 channel amp for motorcycle among various brands on the market but aren’t sure where to begin? To assist you in finding the right one, we’ve put together a list of the 7 best to help you pick the perfect one!

We investigated and evaluated a number of the top-selling 4 channel amp for motorcycle on the market in order to create our list of the best. Making a decision among the many options available is never simple. There are an infinite number of models available, each with a distinct price. And as you’ll find out, the best options aren’t usually the ones you imagine! This comparison is rich and relevant because of the numerous factors that were employed. You will find products featured in this ranking not only based on their pricing but also on their features and other customers reviews. To write this review, we completed 24 hours of research and did 27 4 channel amp for motorcycle tests. You won’t need to pick products at random any more. If you’re unsure of what to look for, browse our list and consult the buying guide!

An overview of our top picks

Table of contents

The best 4 channel amp for motorcycle you can buy today

No. 1
DS18 X4 Amplifier 4-Channel Ultra Compact Class D 4 x 70 Watts RMS @ 4-ohm, Stereo Full Range Amplifier, Car Audio Amplifier, Great Compact Amp for Motorcycle, Powersports, Ultra Small Design
  • Unmatched Power in a Compact Size - Despite its ultra-compact design, the DS18 X4 amplifier delivers a powerful 70W RMS per channel at 4 ohms, making it perfect for any audio setup where space is a premium
  • Versatile Performance - The X4 can be bridged to provide an incredible 220W RMS x 2 channels at 4 ohms, offering the flexibility to power a wide range of speaker configurations and custom builds
  • Top-Notch Reliability - Built with a four-layered traces PCB design and surface mount technology, the X4 ensures long-lasting performance and stability, backed by rigorous audio precision quality control
  • Effortless Audio Customization - Fine-tune your audio system with ease using the adjustable LPF/FLAT/HPF filters, allowing you to achieve the perfect balance for mids and tweeters and create a personalized, immersive listening experience
  • Compact and Stylish Design - The sleek, ultra-compact design of the DS18 X4 allows for easy installation in even the tightest spaces, making it the ideal choice for enhancing your vehicle's audio system without sacrificing aesthetics
No. 2
Pyle Hydra Marine Amplifier - Upgraded Elite Series 800 Watt 4 Channel Micro Amplifier - Waterproof, GAIN Level Controls, RCA Stereo Input, 3.5mm Jack, MP3 & Volume Control (PLMRMP3B)
  • PREMIUM 4 CHANNEL AMPLIFIER: Engineered as a 4 Channel marine amplifier that allows high quality stereo reproduction from source. This will power up your speaker and universally compatible with a variety of head units like MP3 and smartphone.
  • RCA STEREO INPUT: For an easier use of this hydra marine amplifier, it comes with premium RCA inputs. This also includes a 3.5mm-to-RCA adaptor so you can connect your device and a remote for volume control.
  • SHORT PROTECTION: Has a built-in power protection circuitry and soft turn on/off. These are to protect the amp and your vehicle's electrical system from short circuit conditions.
  • POWERFUL 800 WATT: This amplifier is powerful with its 800 WATT maximum power supply. Comes with adjustable input GAIN level controls of 2 to 4 Ohm speak. It’s also waterproof marine grade.
  • Included Components: 1 Pyle Branded Product
No. 3
Kenwood KAC-M3004 Compact 600W 4-Channel Car/Marine/Powersports Digital Amplifier
  • PEAK POWER: Max Power 600 Watts. RMS (50 Watts x 4 @ 4-Ohm or 75W x 4 @ 2-Ohm
  • RMS POWER: (50 Watts x 4 @ 4-Ohm or 75W x 4 @ 2-Ohm. High Quality KENWOOD sound you can depend on
  • MARINE CERTIFIED: Conformal coated marine grade circuit board is great for any application including Car, Boat, ATV, UTV etc.
  • FEATURES: KENWOOD Triangle Indicator Light, 3-Way Protection Circuitry, Balanced Inputs, Speaker-Level (high level) inputs and Selectable corossover modes
  • COMPACT SIZE: Cutting Edge KENWOOD Amplifier technology allows extremely compact design. (WxHxD) 6-1/2" x 1-3/4" x 3-7/8"
SaleNo. 4
Soundstream ST4.1200D Stealth Series 1200W Class D 4 Channel Amplifier
538 Consomer Reviews
Soundstream ST4.1200D Stealth Series 1200W Class D 4 Channel Amplifier
  • Stealth Series 1200W class D 4 channel amplifier RMS power 4Ω: 100X4/ RMS power 2ω: 150X4/ bridged 4Ω: 300X2 2-Ohm stereo &
  • 4-Ohm bridged full-range operation Hybrid aluminum alloy heatsink for optimum dissipation Military grade SMT PCB maintains dynamic performance
  • Package dimensions: 7.75" L x 3.0" W x 1.5" H
  • Country of Origin: CHINA
No. 5
Kenwood KAC-M1814 4-Channel Compact Bridgeable Marine/Motorsports 400W Max Power Digital Amplifier
  • Digital Amplifier Technology
  • Speaker Level Input w/ Signal Sensing Turn-on
  • 2 Ohms Load Capability. High Pass Filter : 50Hz-200Hz, -12dB/oct (A/B)
  • Power MOS-FET Switching Power Supply
  • 1m (3.3ft) RCA Cable
SaleNo. 6
Soundstream SM4.10000D 1000W Max 4 Channel Stealth Series Marine Grade Class D Amplifier - SM4.1000D
  • 90 watts RMS x 4 at 4 ohms (125 watts RMS x 4 at 2 ohms)
  • 250 watts x 2 bridged at 4 ohms
  • Mosfet power supply. Quick Disconnect RCA/High Level Wire Harness
  • Preamp and speaker-level inputs
  • Variable high- and low-pass filters (35-250 Hz, 12 dB/octave)
No. 7
DS18 SXE-1200.4/RD Car Amplifier Stereo Full-Range Class A/B 4-Channel 60x4 RMS @4 OHM 1200 Watts - Powerful and Compact Amp for Speakers in Car Audio System
  • HIGH PERFORMANCE - DS18’s SXE series of amps was designed for users looking for an extreme increase to the quality of music reproduced by their vehicle. The SXE-1200.4 guarantees your sound system’s speakers perform at their peaks on every use
  • VARIABLE CROSSOVER - The SXE series of amplifier gives users the ability to tailor the audio reproduced by their vehicle to their personal listening preferences through the use of it’s fully variable crossover, adjustable gain input sensitivity, and multi-channel amplifier design: everything you need to take control of your listening experience
  • PERFECT SIZE - As a Class A/B amplifier, the SXE series uses power transformers significantly smaller than your average amplifier, making it the perfect size for any vehicle’s custom build: but, what it lacks in size it makes up for in power. Easy installation
  • SUPERCHARGE - The SXE-1200.4 has a power output of 200W x 2 CH bridged at 4-ohms, 100W x 4 CH at 2-ohms, 60W x 4 CH at 4-ohms: perfect power settings to supercharge any custom build
  • NEVER STOP INNOVATING ATTITUDE - DS18 stands out from other brands with our progressive designs and unwavering commitment to delivering the most technologically up-to-date products on the market
No. 8
Rockville ATV420 4 Channel UTV/Motorcycle Bluetooth Amplifier IP65 Micro Amp
  • Rockville ATV 420 4 Channel ATV/UTV/Motorcycle Bluetooth Amplifier. IP65 Waterproof rating. Micro Amp. Dyno Certified RMS Power Ratings: (Certified Dyno Test / Less than 1 % THD) (Use these ratings when comparing with top brands such as Kicker, etc). 2 Ohms: 500 Watts (4 x 125 Watts). 4 Ohms: 360 Watts (4 x 90 Watts).
  • Peak: (Use these ratings when comparing with the top budget brands such as Boss, Power Acoustik, etc). Peak 2 Ohms: 2,000 Watts (500 x 4 Watts). Bridged Power Rating: 4 Ohms Bridged: 500 Watts (2 x 250 Watts). Built-in Bluetooth Wireless with Auto Pairing (You can run this amp without any receiver). IP65 waterproof rating. All inputs and wiring are sealed and covered. Conformal coated circuit board. Anti-rust materials.
  • This is one of the only amps on the market that is IP65. That means even if you submerged it for a couple of seconds it would work fine. Micro Size amplifier can easily fit in tight spaces. Digital Class D Audio Topology. Distortion(THD): ≤0.5%. Independent Crossover Controls for CH1-2 and CH3-4. Full Range/Low Pass/High Pass Configurable.
  • High Level Input (Speaker level Input). Selectable LPF/HPF Crossover: 32Hz-320Hz. Waterproof sheath RCA Input. 2CH/4CH Input Mode Selector. Frequency Response: 20Hz-22KHz. Signal to Noise Ratio: (1 Watt into 4 Ohms) ≥80dB. Input Sensitivity: 0.2V-6V. Speaker level Input Sensitivity: 0.5V-15.5V. Stereo Separation: ≥50dB. Fuse Rating: 40A.
  • Dimensions (Inches): 8.66" L x 3.74" W x 1.73" H. High-Speed MOSFET Power supply. Status Mode LED Indicator. Waterproof Grade: IP65
SaleNo. 9
PyleUsa 4-Channel Weather-Resistant Audio Amplifier System - Class D Compact Designed Suit for Car, ATV, UTV, 4X4, Jeep, Motorcycle and Marine, and Any Other Weather Resistant Application
  • STREAM FROM EXTERNAL DEVICES: With speaker wire connectivity, you may connect and stream from external devices while controlling your sound with this 4 channel audio amp system. Perfect for custom installations and applications
  • EXCELLENT SOUND CONTROL: 4 channel amplifier system design and an easy audio configuration unlocks home theater stereo system capability directly on your computer desktop - get access to digital sound control with a class D compact design
  • WEATHERPROOF RESISTANT AMPLIFIER: Designed with a weatherproof resistant class D compact amplifier perfect for Car, ATV, UTV, 4X4, Jeep, Motorcycle and Marine, and any other Weather Resistant Application
  • WHAT YOU GET: By purchasing this amplifier you will get a Bag of Mounting Hardware, (2) Speaker Output Wire, (2) Low-Level Input Wire, (2) Hi-Level Input Wire, Power Connector, and a Remote In Wire color Blue
  • MADE TO LAST: With a dimension of 7.95’’ x 4.33'' x 1.87'' -inches and an approximate weight of 3.42 lbs. this weather resistant audio amplifier will prove its longevity. Includes a power of DC 12V
No. 10
Pyle Hydra Marine Amplifier - Upgraded Elite Series 400 Watt 4 Channel Audio Amplifier - Waterproof, Dual MOSFET Power Supply, GAIN Level Controls, RCA Stereo Input & LED Indicator - PLMRA402
  • PREMIUM 4 CHANNEL AMPLIFIER: Pyle’s PLMRA400 is engineered as a 4 Channel marine amplifier that allows high quality stereo reproduction from source. This will power up your speaker and be universally compatible with a variety of head units.
  • RCA STEREO INPUT: For an easier use of this hydra marine amplifier, it comes with premium RCA inputs. If your marine receiver lacks RCA output jacks, you can connect speaker output leads to the high-level terminal inputs.
  • SHORT PROTECTION: Built with a heavy duty Aluminum Alloy heatsink, thermal overload speaker short protection and LED light indicator. These are to protect the amp and your vehicle's electrical system from short circuit conditions.
  • POWERFUL 400 WATT: This amplifier is powerful with its 100 WATT x 4 max or 400 WATT and dual MOFSET power supply. Comes with dual adjustable input GAIN level controls between 1-300mV and 4 or 8 Ohm speaker impedance.
  • MARINE GRADE: With its Marine rating of IP-01, it is waterproof ready. It’s constructed with gold-plated speaker output terminal connectors as well to combat corrosion with long term use.
No. 13
DS18 CANDY-X4B Amplifier in Black - Class D, 4 Channels, 1600 Watts Max, Digital, 2/4 Ohm - Don't Sacrifice Space for Power - Compact Mini Ampflier for Speakers in Car Audio System
495 Consomer Reviews
DS18 CANDY-X4B Amplifier in Black - Class D, 4 Channels, 1600 Watts Max, Digital, 2/4 Ohm - Don't Sacrifice Space for Power - Compact Mini Ampflier for Speakers in Car Audio System
  • HUGE POWER IN A SMALL PACKAGE - 1,600 Watts gives you all the power you need tucked away and out of sight, keeping your vehicle looking clean and neat.
  • WIDE RANGE OF APPLICATIONS - Ranging from 2-8 ohms, this amplifier will allow you to use a variety of speakers for your specific application. Never again will you need to worry about having the right amp for the job.
  • EXTREMELY POWER EFFICIENT AMPLIFIER - Push an amazing amount of power to your system while only drawing minimal power from your vechicle's battery.
  • COMPACT MINI DESIGN - When we say compact we mean it. This powerhouse is only 9'" x 5" x 2". With those dimensions, you can put this just about anywhere!
  • NEVER STOP INNOVATING ATTITUDE - DS18 stands out from other brands with our progressive designs and unwavering commitment to delivering the most technologically up-to-date products on the market.
No. 14
Stinger SPX700X4 Micro 4 Channel 700 Watt Powersports Amplifier for Motorcycles, ATV, Marine and Mobile Applications
  • Target voltage: 8-16 volts 350x2 at 4 ohm 175x4 at 2 ohm 125x4 at 4 ohm 3Ch mode: 350x1 at 4 ohm + 175x2 at 2 ohm or 125x2 at 4 ohm
  • Perfect for motorcycles, ATV, Marine and mobile applications small footprint with a low profile ipx-4/5 weather-resistant design
  • Full range class D unregulated power supply aux RCA output (to link to additional amplifiers)
  • Die cast endcaps with removable mounting feet volume control with mute function (rear channels only)
No. 15
Pyle Hydra Marine Amplifier - Upgraded Elite Series 400 Watt 4 Channel Micro Amplifier - Waterproof, GAIN Level Controls, RCA Stereo Input, 3.5mm Jack, MP3 & Volume Control (PLMRMP3A)
  • PREMIUM 4 CHANNEL AMPLIFIER: Engineered as a 4 Channel marine amplifier that allows high quality stereo reproduction from source. This will power up your speaker and universally compatible with a variety of head units like MP3 and smartphone.
  • RCA STEREO INPUT: For an easier use of this hydra marine amplifier, it comes with premium RCA inputs. This also includes a 3.5mm-to-RCA adaptor so you can connect your device and a remote for volume control.
  • SHORT PROTECTION: Has a built-in power protection circuitry and soft turn on/off. These are to protect the amp and your vehicle's electrical system from short circuit conditions.
  • POWERFUL 400 WATT: This amplifier is powerful with its 400 WATT maximum power supply. Comes with adjustable input GAIN level controls of 2 to 4 Ohm speak. It’s also waterproof
  • WATERPROOF & WEATHERPROOF: The audio amplifier is waterproof with its marine grade rating of IP-65. It has a rugged construction and integrated power wiring harness to combat weather conditions
No. 16
Luftmusic Bluetooth Marine Amplifier 4 Channel - Full Range Marine Amp - Waterproof Motorcycle Amplifier - Wireless Remote, Easy Installation - Compact Bluetooth Amplifier for Bike, Golf Cart, ATV
  • Powerful Marine Bluetooth Amplifier: This Bluetooth marine amplifier by Luftmusic provides an output of 45W x 4 channels, comparable to a Max 500W car stereo amplifier, and takes audio on your vehicle from background to the main attraction.
  • Compact Bluetooth Boat Amplifier With Remote: This mini marine amplifier can be easily positioned anywhere in your vehicle. Use the wireless remote to stream your music via your Bluetooth device and store it on the dashboard, within easy reach.
  • Durable, IPX5 Waterproof Amplifier: Made of high-end metal and plastic, this 4 channel amplifier is extra-strong and has a long service life. The waterproof design makes it a reliable audio accessory for your on-road and off-road adventures.
  • Fast And Easy Installation: Connect this 4 channel marine amplifier to your 12V 48Ah battery for power supply, hook your speakers and upgrade your audio system. Use it as a boat amp, bike, tractor, Golf Cart, ATV, RZR, or motorcycle Bluetooth amp.
  • Risk-Free Experience: This 4 channel amp has the Luftmusic signature quality that guarantees impeccable performance and is backed with a 1-Year Warranty. Order your marine grade amplifier with confidence today!
No. 17
Rockford Fosgate Punch PBR400X4D Compact Chassis 400-Watt Full-Range 4-Channel Amplifier
463 Consomer Reviews
Rockford Fosgate Punch PBR400X4D Compact Chassis 400-Watt Full-Range 4-Channel Amplifier
  • 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
No. 18
Marine Bluetooth Amplifier Waterproof Class D Amp UTV Amp 4 Channel with Controller for Boat Golf Motorcycle Hidden Installation
  • Waterproof Marine Bluetooth Amplifier (No head unit required) & 3 m Wired Remote with 3-color LED indicator (sources - USB/AUX/Bluetooth). Wired Remote with S-terminal connector, please ensure the cable connection is always tight.
  • Marine Amplifier with Controller, hidden stereo
  • Bluetooth Amplifier with wired remote controller
  • Bluetooth Streaming, Boasts Power 60W x 4CH
  • Elegant Design, Solid Materials, Durable
No. 19
NVX MVPA4 600W Total RMS 4-Channel Bridgeable Marine-V Series Micro Class D Compact Marine/Powersports/Motorcycle Amplifier | IPX67 Waterproof Rating
51 Consomer Reviews
NVX MVPA4 600W Total RMS 4-Channel Bridgeable Marine-V Series Micro Class D Compact Marine/Powersports/Motorcycle Amplifier | IPX67 Waterproof Rating
  • 100W x 4-Chan. @ 4 ohms
  • 150W x 4-Chan. @ 2 ohms
  • 3-Way System Protection
  • 4/3/2/1 Channel Operation
  • 8 Gauge Power and Ground Inputs
No. 20
BOSS Audio Systems MC900B 4 Channel Amplifier for ATV UTV Car Marine - 500 High Output, Low Level Inputs, Full Range, Weatherproof, Bass for Subwoofer
  • Power - 125 Watts Max x 4 @4 Ohms, 94 Watts RMS x 4 @4 Ohms
  • Specs - Dimensions - 1.75” x 6.6” x 1.75”, Weighs 2.9 lbs.
  • Bluetooth - You do not need a head unit. Just power up the MC900B and hook up some speakers to it. The included Bluetooth remote control lets you stream your music via your Bluetooth device and use apps like Spotify and Pandora
  • Auxiliary in - The Bluetooth remote is compatible with the audio output from smartphones as well as MP3 players. Just plug in and start playing
  • USB Charging - You can charge your USB devices using the USB charging port
  • Weatherproof - The MC900B has been designed to handle some light weather conditions without giving up on you. It is great for use in ATVs and boats.
  • Class AB - 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
  • 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

How to choose a good 4 channel amp for motorcycle

Does the idea of finding a fantastic 4 channel amp for motorcycle make you anxious? When it comes to purchasing this product, specifically when deciding which model to select, has your head been spinning between options? You are not alone if that is the case. We are aware of the pressure involved in the purchasing process!

Your presence here indicates that you are interested in 4 channel amp for motorcycle. Before choosing which product would be the best for your needs after being inundated with information, locate a reliable source with genuine selections. You can get that information from a variety of sources, including buying guides and rating websites, word-of-mouth recommendations from friends and family, online discussion forums where users can share their own experiences, product reviews that can be found all over the internet, and YouTube channels. You can only get the right product through exhaustive analysis. But you realize that’s not always simple. In order to ease your concerns, we have taken the time to develop a list of the top 4 channel amp for motorcycle products available right now. You might be wondering how we came up with the list. How was this buying guide developed?

First, we used our algorithms to gather as much reliable data as we could about these products. To verify all the data gathered, we used both artificial intelligence and a lot of algorithms.
Then, our experts used criteria that are recognized in the business to evaluate them according to their quality to price ratio, allowing us to choose the top 4 channel amp for motorcycle on the market right now!

The selection of the goods is not arbitrary. Before creating a list, we take into account a number of factors. Below are some of the criteria discussed:

Brand Value: What happens if you choose a dubious brand just because it appears to be a good deal? So the likelihood of receiving a product with a short shelf life increases. That is due to the fact that well-known brands have a reputation to uphold, while others do not. Top 4 channel amp for motorcycle brands strive to provide some distinctive traits that set them apart from the competition. So, hopefully one or more of the items on our list will be perfect for you.

Features: Useful features are all you need, not tons of them. We consider the important aspects and select the top 4 channel amp for motorcycle based on those.

Specifications: Numbers always help you measure the quality of a product in a quantitative way. We try to find products with higher specifications, but with the right balance.

Quality: A product’s quality may always be quantified with the aid of numbers. We look for goods with better standards that strike the proper balance. The best quality product that gets highly appreciated and recommended by experienced users.

Customer ratings:  Would it be accurate to suggest that the 4 channel amp for motorcycle were used by hundreds of customers before you? Superior ratings indicate that many customers had better service.

Customer Reviews: Like ratings,  provide you with accurate and reliable information about the product from genuine customers. Customer ratings are very important to all of us because they contain accurate and reliable information about the customer service we received from several hundred customers.

Seller Rank: This is very intriguing! Not only do you need a good 4 channel amp for motorcycle, you also need a product with rising sales that is trendy. It accomplishes two goals. First, the expanding user base proves the quality of the product. Second, given that number, producers must be able to offer greater quality and after-sales support.

Value: You get what you pay for, they say, so consider the value. Cheap isn’t always good and expensive isn’t always bad. However, that does not imply that spending a lot of money on a product that is flashy but underwhelming is a good idea. Before adding them to the list, we make an effort to evaluate how much value you can get for your money from your 4 channel amp for motorcycle.

Durability: Durability and reliability are closely related concepts. You will benefit from a strong and long-lasting 4 channel amp for motorcycle for months and years to come.

Product availability: Products come and go, and new ones replace the old ones. Most likely, a few new features and required changes were made. What use is it to use a supposedly good product if the maker no longer supports it? We make an effort to highlight products that are current and offered by one or more trustworthy sellers, if not more.

Negative Reviews: Yes, we do take that into account as well! The goods with the majority of bad reviews are filtered out and disregarded when we choose the best-rated one on the market.

These are the standards by which we selected our 4 channel amp for motorcycle. Do we end our process there? Hell no. The most crucial fact about us that you should be aware of is that we regularly update our website with current and pertinent information. We have one more layer of filtration since we place the greatest importance on reader satisfaction. Please let us know if any product included here is incorrect, irrelevant, subpar, or simply out of date. We always value your opinions, and we’ll work hard to make any necessary corrections to our list in response to them.

Why should you believe us?

There are now thousands of possibilities for these products on Amazon, but choosing the best one can be difficult and time-consuming. And what 4 channel amp for motorcycle should you purchase in 2022?

This guide is the result of more than 10 years of experience in researching, testing and writing about many topics. Each member of our team is an authority in their area. We read every article we could find online and every consumer review on every retail website for seven hours. Additionally, we discovered a ton of websites that offered helpful resources, including buying tips and thorough information on 4 channel amp for motorcycle.