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Best 4 channel marine amplifiers - Holiday Sale 2025

Last Updated - December 14, 2025

1
Best Choice

✖
Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

NVX

NVX VADM4 v2 Model 4-Channel Class D Amplifier 1000W Peak, 500W RMS, 2/4-ohm Stable, High/Low Pass X-Over, for Car/Truck/Marine/UTV/Motorcycle (VADM4v2)

NVX

$189.99

$204.99
(7% Off)

More Details
Main highlights
- 🔊 𝐕𝐞𝐫𝐬𝐚𝐭𝐢𝐥𝐞 𝐀𝐮𝐝𝐢𝐨 𝐂𝐮𝐬𝐭𝐨𝐦𝐢𝐳𝐚𝐭𝐢𝐨𝐧: Customize your audio experience with selectable crossover modes (FULL, HPF, LPF), variable high-pass and low-pass filters (40-400 Hz), and a wide frequency range of 20-20,000 Hz. Achieve precise control over your sound output for an optimized listening experience.
- 🔊 𝐏𝐨𝐰𝐞𝐫𝐟𝐮𝐥 𝐏𝐞𝐫𝐟𝐨𝐫𝐦𝐚𝐧𝐜𝐞: Experience the NVX VADM4's impressive power, boasting a peak power rating of 800 Watts and RMS power output ranging from 80 watts x 4 channels at 4 ohms to 125 watts x 4 channels at 2 ohms. Enjoy robust and reliable audio performance for your car, marine vessel, or powersports vehicle.
- 🔊 𝐌𝐚𝐫𝐢𝐧𝐞 𝐂𝐞𝐫𝐭𝐢𝐟𝐢𝐞𝐝 𝐃𝐮𝐫𝐚𝐛𝐢𝐥𝐢𝐭𝐲: Built with a conformal coated marine-grade circuit board, the VADM4 amplifier is designed to withstand the rigors of marine environments, ensuring durability and longevity even in harsh conditions.
- 🔊 𝐂𝐨𝐦𝐩𝐚𝐜𝐭 𝐃𝐞𝐬𝐢𝐠𝐧:Utilizing cutting-edge Micro Class D technology, this amplifier achieves an extremely compact form factor, measuring just 6.49" L x 3.3" W x 1.48" H. Enjoy powerful sound without sacrificing valuable space in your vehicle or marine setup.
- 🔊 𝐀𝐝𝐯𝐚𝐧𝐜𝐞𝐝 𝐅𝐞𝐚𝐭𝐮𝐫𝐞𝐬: Benefit from LED power and protect indicators, as well as 4-way protection circuitry (thermal, overload, speaker short protection, and DC offset) for enhanced reliability. Balanced differential inputs and low-level RCA inputs ensure seamless integration with your existing audio system.
$189.99
$204.99 (7% Off)
2

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Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

STINGER

Stinger Audio MT-600.4M 1000 Watt RMS 4-Channel Compact Marine Audio Amplifier, Class D, Hexfet Mosfet, Water-Resistant, Crossover High-Pass/Low-Pass Filters

STINGER

$169.00

More Details
Main highlights
- 𝐖𝐚𝐭𝐞𝐫-𝐑𝐞𝐬𝐢𝐬𝐭𝐚𝐧𝐭 𝐃𝐞𝐬𝐢𝐠𝐧: Safeguards your Stinger Audio marine amplifier against weather elements for uninterrupted performance.
- 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/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.
$169.00
3
Best Value
34% Off

✖
Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

Kenwood
34% Off

KENWOOD 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

Kenwood

$162.95

$249.00
(34% Off)

More Details
Main highlights
- WATERPROOF, DUSTPROOF & SALT-SPRAY RUSTPROOF - IPX6, IPX7 & IP6X certified, the amp is protected from powerful water jets up to 12.5m, submersion up to 1m, and ingress of dirt. The ASTM B117 salt spray (or salt fog) test ensures protection from corrosion
- FOR CAR, MARINE, UTV & MOTORCYCLE - Add clarity to a basic sound system in land or water with KENWOOD KAC-M5014 4-Ch Digital Amplifier. With double the power than its competitors, at 600W (50W x 4), enjoy unmatched sound quality for your favorite tracks
- DISTORTION-FREE AUDIO - The high-quality PMLCAPs (Polymer Multi-Layer Capacitors) reduce distortions, improving the overall audio quality even at higher volumes, while the magnetic shielding for the output coils reduces radiated noise for accurate sound
- DAMAGE PROTECTION FROM VIBRATIONS - The amp passes a 3-axis multi-frequency vibration test to ensure its ability to sustain vibrations. The amplifier mounting section is made of 15/64 inch die-cast material to suppress the amplification of vibrations
- BUILT TO LAST - The Corrosion-Resistant Aluminum Sealed Chassis and stainless-steel screws ensures high durability, while the Drain Tunnel Structure creates a gap between the amp and the installation surface that prevents accumulation of saltwater & sand
$162.95
$249.00 (34% Off)
4

✖
Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

Kenwood

Kenwood KAC-M1814 4-Channel Compact Bridgeable Marine/Motorsports 400W Max Power Digital Amplifier

Kenwood

$149.99

More Details
Main highlights
- Speaker Level Input w/ Signal Sensing Turn-on
- Power MOS-FET Switching Power Supply
- Digital Amplifier Technology
- 2 Ohms Load Capability. High Pass Filter : 50Hz-200Hz, -12dB/oct (A/B)
- 1m (3.3ft) RCA Cable
$149.99
5

✖
Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

Pyle

Pyle Hydra Marine Amplifier - Upgraded Elite Series 1000 Watt 4 Channel Bridgeable Amp Tri-Mode Configurable, Waterproof, MOSFET Power Supply, GAIN Level Controls and RCA Stereo Input - PLMRA420

Pyle

$122.39

More Details
Main highlights
- 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
- PREMIUM RCA 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 inputs
- POWERFUL 1000 WATT: This amplifier is powerful with its 1000 WATT maximum and dual MOFSET power supply. Comes with dual adjustable input GAIN level controls of 10k Ohm (Low) and 100 Ohm (High) 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
- 4 CHANNEL BRIDGEABLE AMPLIFIER: Pyle’s PLMRA420 is engineered as a 4 Channel bridgeable marine amplifier that powers up your speaker and is universally compatible. It also has high and low electronic crossover network or pass filters
$122.39

Best 4 channel marine amplifiers - Holiday Sale 2025

NVX VADM4 v2 Model 4-Channel Class D Amplifier 1000W Peak, 500W RMS, 2/4-ohm Stable, High/Low Pass X-Over, for Car/Truck/Marine/UTV/Motorcycle (VADM4v2)

Stinger Audio MT-600.4M 1000 Watt RMS 4-Channel Compact Marine Audio Amplifier, Class D, Hexfet Mosfet, Water-Resistant, Crossover High-Pass/Low-Pass Filters

KENWOOD 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

Kenwood KAC-M1814 4-Channel Compact Bridgeable Marine/Motorsports 400W Max Power Digital Amplifier

Pyle Hydra Marine Amplifier - Upgraded Elite Series 1000 Watt 4 Channel Bridgeable Amp Tri-Mode Configurable, Waterproof, MOSFET Power Supply, GAIN Level Controls and RCA Stereo Input - PLMRA420

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