Compact 4 Channel Amps of 2025
Best Choice1
KenwoodKENWOOD KAC-M5014 4-Channel Compact Digital Amplifier (600W) for Car, Marine, UTV & Motorsport Vehicles, Solid Corrosion-Resistant Aluminum Chassis, IPX6, IPX7 & IP6X Certified and Vibration-Proof
Why we love it
Powerful audio: 600W 50W x 4
Built to last: Corrosion Resistant Aluminum
Waterproof: IPX6, IPX7 IP6X certified
9.7Exceptional
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How do we rank?
Using our advanced technology, we scan thousands of products and stores, analyzing reviews, ratings, and trends to find what matters most to users like you.Our team then reviews the data and real user feedback, combining AI and human insights to bring you real-time, top-rated recommendations to guide your decisions with clarity and confidence.
Value for Money2
DS18DS18 X4 Amplifier 4-Channel Ultra Compact Class D 4 x 70 Watts RMS @ 4-ohm, Stereo Full Range, Car Audio Amplifier, Great Compact Amp for Motorcycle, Powersports, Ultra Small Design
Main highlights- 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
- 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
- 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
9.6Exceptional
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3
AlpineAlpine S-A32F S-Series Class D 4-Channel Amplifier
9.5 audio quality8.7 Easy installation8.7 worth the moneyWhy we love it
Compact and powerful design.
Exceptional sound clarity.
Efficient and reliable performance.
9.3Excellent
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4
KenwoodKenwood KAC-M1814 4-Channel Compact Bridgeable Marine/Motorsports 400W Max Power Digital Amplifier
9.9 materials Quality8.9 worth the money8.2 audio qualityWhy we love it
Compact size fits small spaces easily.
Delivers clean sound at higher voltages.
Easy installation and setup.
9.2Excellent
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5
DS18DS18 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
Main highlights- 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
- 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
- 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
- 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
- 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
9.1Excellent
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6
SonySony XMS400D 4 Channel Micro Amplifier (Black)
Main highlights- High level or low level input connection, Hi-level Sensing Power On
- Continuous power output of 45 W per channel (at 4 Ω), Class-D Technology, Compact Design
- Built-in LP (low-pass) filter and HP (high-pass) filter, Protection circuit and indicator provided.
9.0Excellent
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7
STINGERStinger Audio MT-600.4 1000 Watt RMS Compact 4-Channel Car Audio Amplifier, Class D, Hexfet Mosfet, Crossover High-Pass/Low-Pass Filters
Main highlights- 𝐑𝐨𝐛𝐮𝐬𝐭 𝐔𝐧𝐫𝐞𝐠𝐮𝐥𝐚𝐭𝐞𝐝 𝐏𝐨𝐰𝐞𝐫 𝐒𝐮𝐩𝐩𝐥𝐢𝐞𝐬: Designed to provide superior performance and unmatched efficiency.
- 𝐃𝐢𝐫𝐞𝐜𝐭 𝐈𝐧𝐬𝐞𝐫𝐭 𝐏𝐨𝐰𝐞𝐫 𝐚𝐧𝐝 𝐒𝐩𝐞𝐚𝐤𝐞𝐫 𝐓𝐞𝐫𝐦𝐢𝐧𝐚𝐥𝐬: Decreased resistance for higher power transfer and efficiency.
- 𝐃𝐢𝐠𝐢𝐭𝐚𝐥 𝐂𝐥𝐚𝐬𝐬-𝐃: Packs a powerful punch with high efficiency and an incredible small form factor.
- 𝐃𝐞𝐬𝐢𝐠𝐧𝐞𝐝 𝐰𝐢𝐭𝐡 𝐀𝐝𝐯𝐚𝐧𝐜𝐞𝐝 𝐇𝐄𝐗𝐅𝐄𝐓 𝐏𝐨𝐰𝐞𝐫 𝐌𝐎𝐒𝐅𝐄𝐓: Reduced on-resistance, faster switching speeds, and unparalleled reliability.
- 𝐂𝐫𝐨𝐬𝐬𝐨𝐯𝐞𝐫 𝐇𝐢𝐠𝐡-𝐏𝐚𝐬𝐬 𝐅𝐢𝐥𝐭𝐞𝐫/𝐋𝐨𝐰-𝐏𝐚𝐬𝐬 𝐅𝐢𝐥𝐭𝐞𝐫: Allows you to run tweeters or mid-range speakers without an external crossover.
- 𝐂𝐨𝐦𝐩𝐚𝐜𝐭 𝐚𝐧𝐝 𝐒𝐭𝐮𝐫𝐝𝐲 𝐃𝐞𝐬𝐢𝐠𝐧: Built to the highest standards for lasting reliability.
8.8Very Good
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8
AudioControlAudioControl EPICFOUR Epic Series 800 Watt RMS Compact 4-Channel Car Audio Amplifier 200x4 @ 2 Ohms, Class D, High Pass Filter, Smart Auto Protection
Main highlights- 𝟗𝟎𝐝𝐁+ 𝐒𝐢𝐠𝐧𝐚𝐥 𝐭𝐨 𝐍𝐨𝐢𝐬𝐞 𝐑𝐚𝐭𝐢𝐨: Enjoy clean and clear audio with minimal background noise for a pulsating listening experience.
- 𝟏𝟐𝐝𝐁/𝐎𝐜𝐭𝐚𝐯𝐞 𝐕𝐚𝐫𝐢𝐚𝐛𝐥𝐞 𝐇𝐢𝐠𝐡 𝐏𝐚𝐬𝐬 𝐅𝐢𝐥𝐭𝐞𝐫: Ensures your speakers operate at their optimal frequency range to deliver a continual rush of precision sound.
- 𝐒𝐦𝐚𝐫𝐭 𝐀𝐮𝐭𝐨 𝐑𝐞𝐬𝐞𝐭 𝐏𝐫𝐨𝐭𝐞𝐜𝐭𝐢𝐨𝐧 𝐂𝐢𝐫𝐜𝐮𝐢𝐭: Multiple protection modes are in place to prevent damage if your amplifier encounters an issue.
- 𝐌𝐚𝐱𝐢𝐦𝐮𝐦 𝐏𝐨𝐰𝐞𝐫 𝐎𝐮𝐭𝐩𝐮𝐭: Designed for 2-ohm load, ensuring your system delivers peak power for massive, heart-pounding sound.
- 𝐄𝐧𝐞𝐫𝐠𝐲-𝐄𝐟𝐟𝐢𝐜𝐢𝐞𝐧𝐭 𝐃𝐞𝐬𝐢𝐠𝐧: The ultra-efficient idle draw means it won’t drain your battery, so that you can always arrive to the party in style.
- 𝐂𝐨𝐦𝐩𝐚𝐜𝐭 𝐃𝐢𝐠𝐢𝐭𝐚𝐥 𝐂𝐥𝐚𝐬𝐬-𝐃: Experience high performance in a small package, delivering impressive power without taking up much space.
8.7Very Good
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9
DS1817% OffDS18 ION1000.4D 4-Channel Amplifier Full Range 4 x 150W Rms @ 4-ohm Class D, Compact Design, Digital 4 Channel Car Audio Amplifier Miniature Size, Multichannel Amplifier, Small Design, Black/Silver
Main highlights- Technical Specifications - Providing detailed power ratings, frequency response, and efficiency, ION1000.4D's dimensions (Length: 6.14", Width: 4.72", Height: 2") ensure easy integration into various audio setups
- Powerful System Turbocharging - Boasting 4 x 150W at 4 ohms, 4 x 250W at 2 ohms, and 2 x 500W at 4 ohms bridged, ION1000.4D provides perfect power ratings to turbocharge every component in your audio system. Compact dimensions and versatile connectivity options make it suitable for diverse car audio setups and even motorcycles
- Enhances Performance with Innovative Technology - Utilizing advanced surface mount component technology, ION1000.4D ensures stability and resistance to vibrations, even on rough terrains. The full variable crossover switch empowers you to customize audio settings for clarity across all frequencies, providing a tailored listening experience
- Elevate Your Listening Experience - Unleash a premium audio experience in your car with DS18's ION1000.4D, designed to boost performance and deliver unmatched precision. Feel the power and precision that redefine your in-car listening journey
- Durability and Safety - The amplifier's protective coating guards against moisture corrosion on the PCB, ensuring longevity and durability. Power, protection, and clipping LED indicators, along with short circuit thermal, DC offset, and high/low voltage protection features, prioritize your safety and peace of mind
8.6Very Good
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10
NVXNVX NDA6004 1200W Peak (600W RMS) N-Series Class-D 4-Channel Amplifier
Main highlights- Powerful Performance: Delivers 1200W peak power and 600W RMS output, ensuring clear and dynamic sound quality.
- Intelligent Design: Includes LED power/protect indicators for easy monitoring and 3-way protection circuitry against thermal, overload, and speaker short issues.
- Flexible Configuration: Supports 4-channel operation with RMS ratings of 100W x 4 at 4 ohms and 160W x 4 at 2 ohms, plus 320W x 2 bridged at 4 ohms.
- Customizable Sound: Features selectable crossover modes (FULL / HPF / LPF) and variable filters (40 - 400 Hz) for precise audio tuning.
- Compact and Reliable: Compact dimensions (8.18" L x 4.42" W x 1.73" H) and recommended 4 AWG amplifier wiring kit ensure easy installation and optimal performance.
8.5Good
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