If you are searching for the best marine amps then you landed on the right page. Here we have compiled a list of the top marine amps.

We have spent around 41 hours to find the right option for you and based on our research 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 (PLMRA400) is our top pick for you. This is one of the best products currently available in the market. However, if you don’t want to spend extra then we have another great option for you is Skar Audio RP-75.4ABM 500 Watt Full-Range Class A/B 4-Channel Marine Amplifier. Below is a review of some of the best marine amps, together with their specifications and functions. So without further waiting, Let’s dive right in.

Best marine amps

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Product Title
Score

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 (PLMRA400)
9.9

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)
9.4

Rockville Atom 8W 8 Channel 3500 Watt Marine/Boat Amplifier Amp w/Bluetooth
9.3

Skar Audio RP-75.4ABM 500 Watt Full-Range Class A/B 4-Channel Marine Amplifier
8.9

Kenwood KAC-M1814 4-Channel Compact Bridgeable Marine/Motorsports 400W Max Power Digital Amplifier
8.5

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
8.1

Rockford Fosgate M2-750X5 Marine 750-Watt 5-Channel Element Ready Amplifier
7.6

Rockville RXM-T1 1500 Watt Peak Marine/Boat 2 Channel Amplifier Stereo Amp
7.4

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)
7.3

BOSS Audio Systems MC900B Amplifier for ATV UTV Car Marine - 500 High Output, 4 Channel, 2/4 Ohm, Bluetooth Multi-Function Remote, RCA Out, Weatherproof, Use Amp with Stereo and Subwoofer, Crossover
6.2

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 (PLMRA400)


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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 (PLMRA400)

$51.73  in stock
6 new from $51.69
1 used from $50.46
Free shipping
Amazon.com
as of April 19, 2024 6:00 am

Features

  • 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

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)


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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)

$59.05  in stock
6 new from $58.40
2 used from $38.23
Free shipping
Amazon.com
as of April 19, 2024 6:00 am

Features

  • 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

Rockville Atom 8W 8 Channel 3500 Watt Marine/Boat Amplifier Amp w/Bluetooth


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Rockville Atom 8W 8 Channel 3500 Watt Marine/Boat Amplifier Amp w/Bluetooth

$199.95  in stock
2 new from $198.00
1 used from $169.66
Amazon.com
as of April 19, 2024 6:00 am

Features

  • Rockville ATOM 8W 8 Channel 3500 Watt Peak / 880w Dyno-Certified RMS Marine/Boat Amplifier Amp w/Bluetooth
  • Compact design and extremely high power (Do not be fooled by the compact size; this amp is a beast!!!); Peak: (Use these ratings when comparing with the top budget brands such as Boss, Power Acoustik, etc); 3500 Watts Peak System Power
  • 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); RMS Power Output at 4 Ohms: 70 Watts x 8 Channels
  • RMS Power Output at 2 Ohms: 110 Watts x 8 Channels. RMS Bridged Power Output at 4 Ohms: 220 Watts x 4 Channels. Voltage display on amp; Configurable to 8, 6, or 4 channels
  • Bluetooth Wireless with Auto Pairing. RCA Line Output. UV and Salt Water Resistant Paint, Silk Screen and Heat Sink Enclosure; 80A Fuse rating; Marine-Grade Conformal Coated Boards Resist Corrosion from Salt Spray and Moisture

Skar Audio RP-75.4ABM 500 Watt Full-Range Class A/B 4-Channel Marine Amplifier


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Skar Audio RP-75.4ABM 500 Watt Full-Range Class A/B 4-Channel Marine Amplifier

 in stock
Amazon.com
as of April 19, 2024 6:00 am

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


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

$135.00  in stock
8 new from $135.00
2 used from $99.95
Amazon.com
as of April 19, 2024 6:00 am

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 400 Watt 4 Channel Audio Amplifier – Waterproof, Dual MOSFET Power Supply, GAIN Level Controls, RCA Stereo Input & LED Indicator – PLMRA402


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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

$54.61  in stock
3 new from $53.95
Free shipping
Amazon.com
as of April 19, 2024 6:00 am

Features

  • 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.

Rockford Fosgate M2-750X5 Marine 750-Watt 5-Channel Element Ready Amplifier


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Rockford Fosgate M2-750X5 Marine 750-Watt 5-Channel Element Ready Amplifier

$519.99  in stock
13 new from $519.99
Free shipping
Amazon.com
as of April 19, 2024 6:00 am

Features

  • The M2-750X5 full-range 5-channel Element Ready Marine amplifier with 750 Watts RMS is packed with all the power and performance you’ve come to expect from Rockford Fosgate (Dimensions: 1.9" x 6.8" x 11.2")
  • Class D technology makes this amp extremely efficient by reducing demand on the vehicles electrical system (RMS Power: 50 Watts x 4 + 200 Watts x 1 @ 4Ω OR 100 Watts x 4 + 350 Watts x 1 @ 2Ω OR 200 Watts x 2 + N/A @ 4Ω Bridged/Mono)
  • Built for the marine environment, this Element Ready amp features UV resistant protection, conformal coated circuit board, stainless steel mounting hardware and marine grade terminal connections to ensure long lasting outdoor use
  • Featuring C.L.E.A.N. circuitry to help you adjust your gain settings, a P.O.W.E.R. Supply that generates more power as voltage increases, and integrated Punch EQ that corrects for acoustic deficiencies while delivering up to 3X the bass
  • Famous Rockford Fosgate build quality with a full 2-year warranty

Rockville RXM-T1 1500 Watt Peak Marine/Boat 2 Channel Amplifier Stereo Amp


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Rockville RXM-T1 1500 Watt Peak Marine/Boat 2 Channel Amplifier Stereo Amp

$119.95  in stock
2 used from $67.56
Amazon.com
as of April 19, 2024 6:00 am

Features

  • Rockville RXM-T1 1500w Peak / 370w Dyno-Certified RMS Marine/Boat 2 Channel Amplifier Stereo 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). 250 Watts (2 x 125 Watts) at 4 ohms and 1% THD+N. 370 Watts (2 x 185 Watts) at 2 ohms < 1% THD. 1 x 370 Watts bridged @ 4 Ohms < 1% THD.
  • Peak: (Use these ratings when comparing with the top budget brands such as Boss, Power Acoustik, etc). 1500 Watts (2 x 750 @ 2 ohms or 1 x 1500 @ 4 Ohms). High-Speed MOSFET Power Supply. Studio-Grade Bipolar Output Stage Transistors. Fully Adjustable 12dB / Octave Crossover. Low Pass Filter : 50Hz - 250Hz. High Pass Filter : 15Hz - 250Hz. Fully Adjustable 12dB Bass Equalizer with Differential Circuitry. 2-Ohm Stable Stereo. 4-Ohm Mono Bridgeable.
  • Mute and Delay Soft Start System. Full IC-Controlled Protection Circuitry. RCA Preamp Line Output. ELNA Brand Audiophile Capacitors. 8 Volt Preamp Circuitry. Status Mode LED Indicator. High Level Input with Smart Auto Turn-On. Minimum THD at Rated Power: < 0.05%.
  • Frequency Response : 10Hz - 40KHz. Damping Factor : > 200 @ 100Hz. 50 Amp Maxi Fuse. Dimensions : (W x H x L) 8.6" x 2" x 13"

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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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)

$92.44  in stock
4 new from $92.44
11 used from $68.67
Free shipping
Amazon.com
as of April 19, 2024 6:00 am

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

BOSS Audio Systems MC900B Amplifier for ATV UTV Car Marine – 500 High Output, 4 Channel, 2/4 Ohm, Bluetooth Multi-Function Remote, RCA Out, Weatherproof, Use Amp with Stereo and Subwoofer, Crossover


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BOSS Audio Systems MC900B Amplifier for ATV UTV Car Marine - 500 High Output, 4 Channel, 2/4 Ohm, Bluetooth Multi-Function Remote, RCA Out, Weatherproof, Use Amp with Stereo and Subwoofer, Crossover

$96.60  in stock
10 new from $96.60
1 used from $182.96
Free shipping
Amazon.com
as of April 19, 2024 6:00 am

Features

  • Power - 500 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

In this article, we have reviewed the best marine amps for our readers. We hope you get the perfect marine amps from our above list. If you didn’t find your desired one then check out Rockville Atom 8W 8 Channel 3500 Watt Marine/Boat Amplifier Amp w/Bluetooth, one of the most sold items in the market.