This is our complete guide to the best marine amp 4 channel. In Fact, In picking this marine amp 4 channel, we have considered a lot of factors to find the best out of them. Let us help you make your decision with this marine amp 4 channel that we have personally reviewed for you.
We have spent around 40 hours to find the right option for you and based on our research BOSS Audio Systems MR1004 Marine Grade 400 Watt, 4 Channel, 2 4 Ohm Stable Class AB, Full Range Amplifier is our top pick for you. This is one of the top products currently possible in the market. However, if you don’t want to spend extra then we have another great option for you is Rockville DBM45 4-Channel 2000w Peak/500w Dyno-Certified RMS Marine/Boat Amplifier. Below is a review of some of the best marine amp 4 channel, together with their extra features and functions. Listed below are some marine amp 4 channel for your budget.
Best marine amp 4 channel

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Skar Audio RP-75.4ABM 500 Watt Full-Range Class A/B 4-Channel Marine Amplifier
Skar Audio RP-75.4ABM 500 Watt Full-Range Class A/B 4-Channel Marine Amplifier
Features
- 500-Watt MOSFET 4-Channel Class A/B Power Marine Amplifier
- RMS Power at 2 Ohms: 125 Watts x 4 Channels
- RMS Power at 4 Ohms: 75 Watts x 4 Channel
- Fully Marini zed with Waterproof Coating on Circuit Board & Rust Proof Painting on Mechanical Case
- User Adjustable Controls: Gain, Variable LPF, HPF, Bass EQ Switch (0, +6, +12 dB)
Kenwood KAC-M1814 4-Channel Compact Bridgeable Marine/Motorsports 400W Max Power Digital Amplifier
Kenwood KAC-M1814 4-Channel Compact Bridgeable Marine/Motorsports 400W Max Power Digital Amplifier
$119.95 out of stock
2 used from $99.95
Features
- 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
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 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)
19 used from $67.36
Features
- 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
- 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
- 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 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
Rockville DBM45 4-Channel 2000w Peak/500w Dyno-Certified RMS Marine/Boat Amplifier
Rockville DBM45 4-Channel 2000w Peak/500w Dyno-Certified RMS Marine/Boat Amplifier
1 used from $110.27
Features
- Rockville DBM45 4-Channel 2000w Peak/500w Dyno-Certified RMS Marine/Boat Amplifier
- Rockville DBM45 4-Channel 2000w Peak/500w Dyno-Certified RMS Marine/Boat Amplifier. 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: 125 Watts x 4 Channel. 4 Ohm: 85 Watts x 4 Channel. 4 Ohm Bridged: 250 Watts x 2 Channel. Peak: (Use these ratings when comparing with the top budget brands such as Boss, Power Acoustik, etc). 2 Ohm: 500 Watts x 4 Channel. 4 Ohm: 340 Watts x 4 Channel.
- 4 Ohm Bridged: 1000 Watts x 2 Channel. Painted Conformal Coating PCB Board (Uses 2577 Waterproof Glue). Waterproof silicone covers for end panels. Rustproof Aluminum heat sink with white painted finish. Stainless steel end panels are rustproof.
- All screws and mounting hardware are stainless steel and rustproof. Bottom panel is aluminum and rustproof. 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. Fully Adjustable 12dB / Octave Crossover with Differential Circuitry
NVX MVPA.4 600W Total RMS 4-Channel Bridgeable Marine-V Series Micro Class D Compact Marine/Powersports/Motorcycle Amplifier | IPX67 Waterproof Rating
NVX MVPA.4 600W Total RMS 4-Channel Bridgeable Marine-V Series Micro Class D Compact Marine/Powersports/Motorcycle Amplifier | IPX67 Waterproof Rating
Features
- Powerful and Versatile Performance: The NVX MVPA4 Marine-V Series Amplifier delivers a robust 600W total RMS power, offering 100W x 4 channels at 4 ohms, 150W x 4 channels at 2 ohms, and 300W x 2 channels when bridged at 4 ohms. Designed for exceptional efficiency and performance, this amplifier is perfect for powersport, marine, and motorcycle applications.
- IPX67 Waterproof and Durable Design: Engineered to withstand the harshest outdoor elements, this amplifier features a conformal coated PCB and an IPX67 waterproof rating. Its rugged construction ensures reliable performance in any environment, whether on watercraft, ATVs, or motorcycles.
- Compact and Easy Installation: With its ultra-mini size of 9.7"W x 4.4"L x 1.7"H, the NVX MVPA4 is designed for easy installation in tight spaces. The surface mount component technology and stable four-layer PCB trace layout guarantee a hassle-free setup without compromising on performance.
- Comprehensive Protection and Control: This amplifier includes short circuit, thermal, and voltage protection to safeguard your equipment. The power and protection LED status indicators provide at-a-glance monitoring, while top-tune controls, multi-input Aux in & RCA, and a variable high-pass/low-pass filter (40-400 Hz) offer precise audio adjustments. A bass remote control knob is also included for added convenience.
- Superior Audio Quality and Reliability: The NVX MVPA4 amplifier adheres to the CEA-2006 standards, ensuring high-quality audio performance with a frequency response of 20Hz - 20kHz. Each unit undergoes rigorous audio precision quality control verification, making it a dependable choice for any marine, powersport, or motorcycle audio system.
BOSS Audio Systems MR1004 Marine Grade 400 Watt, 4 Channel, 2 4 Ohm Stable Class AB, Full Range Amplifier
BOSS Audio Systems MR1004 Marine Grade 400 Watt, 4 Channel, 2 4 Ohm Stable Class AB, Full Range Amplifier
Features
- 100 W MAX Power @ 2 Ohm x 4 Channels
- 50 W MAX Power @ 4 Ohm x 4 Channels
- RCA Low Level Inputs, High Level Inputs
- Variable Input Gain Control
- THD @ RMS Output: 0.01, Channel Separation: 60 dB, Signal To Noise Ratio: 90 dB, Frequency Response: 12 Hz – 22 kHz
Garmin 010-01969-00 Signature Series 4 Channel Marine Amplifier
Garmin 010-01969-00 Signature Series 4 Channel Marine Amplifier
4 used from $329.50
Features
- Signature Series Marine amplifiers are designed and engineered for the harsh Marine environment
- A high efficiency 1400 Watt amplifier design which ensures low battery drain with a high output
- This delivers increased power to the connected speakers and/or subwoofers, extending your audio entertainment experience to a whole new level
- 1-piece heavy-duty die cast chassis, 5-way circuitry protection - thermal/reversed power polarity/DC offset protection/high + low voltage
Rockville RXM-F3 1600 Watt Marine/Boat 4 Channel Amplifier Amp+PA Microphone
Rockville RXM-F3 1600 Watt Marine/Boat 4 Channel Amplifier Amp+PA Microphone
Features
- Rockville RXM-F3 1600w/260w Dyno-Certified RMS 4-Channel Marine Amplifier
- Dyno Certified RMS Power Ratings: (Certified Dyno Test / Less than 1 % THD).....65 Watts RMS x 4 Channel @4 Ohms and 1% THD+N.....85 Watts x 4 @ 2 Ohms < 1% THD.....2 x 200 Watts bridged @ 4 Ohms < 1% THD. Peak:.....1600 Watts (2 x 800 @ 2 Ohms or 1 x 1600 @ 4 Ohms). High-Speed MOSFET Power Supply. Studio-Grade Bipolar Output Stage Transistors. Fully Adjustable 12dB / Octave Crossover with Differential Circuitry
- CH3 & CH4 Low Pass 50Hz - 3KHz. CH3 & CH4 High Pass 15Hz - 1KHz. CH1 & CH2 High Pass 50Hz - 300Hz, 500Hz - 3Khz (x10). Crossover Band-Pass Control. Fully Adjustable 12dB Bass Equalizer. 2 Ohm Stable Stereo.4 Ohm Mono Bridgeable. 3 Channel Mixed-Mono Capable. Full IC-Controlled Protection Circuitry. Mute and Delay Soft Start System. High Level Input with Smart Auto Turn-On
- Full IC-Controlled Protection Circuitry. 2 CH / 4 CH Input Mode Switch. RCA Preamp Line Output. ELNA Brand Audiophile Capacitors. 8 Volt Preamp Circuitry. Status Mode LED Indicator. Minimum THD at Rated Power:
- Damping Factor: > 200 @ 100Hz. Three 20 Amp Maxi Fuses. Dimensions: ( W x H x L ) 8.6" x 2" x 13.7"
KICKER KMA600.4 4x150w 4-Ch Weather-Resistant Full-Range Amp; RoHS Compliant
KICKER KMA600.4 4x150w 4-Ch Weather-Resistant Full-Range Amp; RoHS Compliant
1 used from $309.95
Features
- Conformal-Coated Circuit Boards to Repel Moisture
- 316L Stainless-Steel, No-Rust Hardware
- Small Footprint to Tuck Out of the Way
- Built-In Variable Crossovers for Precise Speaker Performance Matching
- Superior Sound Quality and Added Power
NVX VADM4 400W RMS Full Range Class D 4-Channel Car/Marine/Powersports Compact Micro Amplifier – Marine Certified
NVX VADM4 400W RMS Full Range Class D 4-Channel Car/Marine/Powersports Compact Micro Amplifier - Marine Certified
Features
- : 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.
- :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.
- : 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.
- : 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.
- : 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.
The above were some of the best marine amp 4 channel for you in your budget, so you can’t go wrong with your purchase. If you didn’t find your desired one then check out 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) is also the recommended item in the store.