10 Best Marine Amplifiers

An amplifier is best for powering subwoofers, but it can add extra punch to all of your speakers.

we’ve put together a collection of the best Marine Amplifiers that are currently available on the market. To help you find the perfect Marine Amplifier among a wide variety of options, we constantly update our collection with new and trending models.

10 Best Marine Amplifiers

Based on dozens of customer reviews and ratings, the followings are the top 10 best-selling Marine Amplifiers:

#	Preview	Product	Price
1		Rockville Atom 8W 8 Channel 3500 Watt Marine/Boat Amplifier Amp w/Bluetooth	$199.95	View Product
2		Pyle Hydra Marine Amplifier – Upgraded Elite Series 1000 Watt 4 Channel Bridgeable Amp Tri-Mode…	$75.29	View Product
3		Kenwood KAC-M1814 4-Channel Compact Bridgeable Marine/Motorsports 400W Max Power Digital Amplifier	$168.00	View Product
4		Pyle Hydra Marine Amplifier – Upgraded Elite Series 400 Watt 4 Channel Audio Amplifier – Waterproof,…	$45.93	View Product
5		Rockford Fosgate M2-750X5 Marine 750-Watt 5-Channel Amplifier	$519.99	View Product
6		Skar Audio RP-75.4ABM 500 Watt Full-Range Class A/B 4-Channel Marine Amplifier		View Product
7		Garmin Fusion Signature Series 6 Channel 1500-Watt Marine Amplifier, a Brand	$649.99	View Product
8		Rockville RXM-T1 1500 Watt Peak Marine/Boat 2 Channel Amplifier Stereo Amp	$119.95	View Product
9		Rockford Fosgate PM1000X5 Punch Marine 1,000 Watt Class-bd 5-Channel Amplifier	$739.99	View Product
10		Rockford Fosgate PM400X4 Punch Marine 400 Watt 4-Channel Amplifier	$469.99	View Product

Top Rated Marine Amplifier Reviews

Since we’ve mentioned 10 different models of Marine Amplifiers on the above list, it may be difficult for you to find the right one for your needs. This is why we listed the key features of each of these Marine Amplifiers below:

1

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

$199.95

View Product

Product Highlights:

• 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

Sale2

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)

$75.29

View Product

Product Highlights:

• 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
• Waterproof four-channel, bridgeable MOSFET power amplifier with 4 x 250 Watts maximum output
• Variable high- and low-pass filters with crossover mode selector
• High-level MOLEX and gold-plated low-level RCA inputs with adjustable input level
• Overload, Short Circuit, and Thermal protection with LED indicator
• Variable bass boost of up to 18dB at 60Hz

3

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

$168.00

View Product

Product Highlights:

• Digital Amplifier Technology
• Speaker Level Input w/ Signal Sensing Turn-on
• 2 Ohms Load Capability
• Power MOS-FET Switching Power Supply
• 1m (3.3ft) RCA Cable

4

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)

$45.93

View Product

Product Highlights:

• 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
• 1 YEAR WARRANTY: We guarantee this hydra marine amplifier with both a 30 day no hassle money back return policy and a 1 year manufacturer’s guarantee

5

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

$519.99

View Product

Product Highlights:

• 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 when purchased from an authorized Rockford Fosgate reseller

6

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

View Product

Product Highlights:

• 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)
• Featuring 4-Way Protection Circuitry and 4 Gauge Power & Ground Input Terminals for Maximum Current Flow
• Signal to Noise Ratio: 105 dB, 8 Gauge Power and Ground Input Terminals

7

Garmin Fusion Signature Series 6 Channel 1500-Watt Marine Amplifier, a Brand

$649.99

View Product

Product Highlights:

• Class-D amplifier design delivers higher efficiency and greater output.
• Connect up to two speakers per channel at 2 ohms, or bridge two channels at 4 ohms for increased power.
• Conformal coated PCBs provide extra protection from the marine elements.
• Rigid aluminum alloy heat sink is molded for greater dissipation of heat.
• The amplifiers are available in monoblock, 4-channel, 5-channel, 6-channel and 8-channel configurations.

8

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

$119.95

View Product

Product Highlights:

• 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″

9

Rockford Fosgate PM1000X5 Punch Marine 1,000 Watt Class-bd 5-Channel Amplifier

$739.99

View Product

Product Highlights:

• The PM1000X5 compact amplifier (2.38” x 7.76” x 15.03”) full range 5-channel with 1,000 Watts of power is the one-and-only amp you’ll need to run your entire system’s power needs
• Class-a/b on the front/rear channels, Class-bd for the subwoofer channel (RMS stereo + sub: 75 Watts x 4 + 150 Watts x 1 @ 4-Ohm or 125 Watts x 4 + 300 Watts x 1 @ 2-Ohm or N/A + 500 Watts @ 1-Ohm)
• Known world-wide for brute power, this efficient amp with tri-stage protection that covers thermal, over-current and short circuits is specifically designed for marine and motorsports applications
• High level input capable with Auto Turn-On circuit, On-board Punch EQ with +18dB boost @ 45Hz and 12dB/octave Butterworth crossover make the PM1000X5 a serious power house
• Famous Rockford Fosgate build quality insures that the PM1000X5 will handle everything you throw at it! Full 2-year parts and labor warranty when purchased from an authorized Rockford Fosgate reseller

10

Rockford Fosgate PM400X4 Punch Marine 400 Watt 4-Channel Amplifier

$469.99

View Product

Product Highlights:

• The PM400X4 marine grade 4-channel amplifier (2.4″ x 7.8″ x 11.0″) was designed to provide system design versatility while packing a Punch with 400 Watts of RMS 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)
• Compact design with high dynamic power using Class-a/b technology, its perfect for 4-way front-stage/rear-fill or 3-way front-stage/subwoofer systems in your marine and motorsports vehicles
• High level input capable with Auto Turn-On circuit, On-board Punch EQ with +18dB boost @ 45Hz and 12dB/octave Butterworth crossover make the PM400X4 a serious power house
• Famous Rockford Fosgate build quality insures that the PM400X4 will handle everything you throw at it! Full 2-year parts and labor warranty when purchased from an authorized Rockford Fosgate reseller

Video Overview

Final Words

So, these are all of the Best Marine Amplifiers available on the market. We hope this collection was helpful to find the right Marine Amplifier for the money. However, we recommend checking out the features, benefits, and problems of each of these Marine Amplifiers before taking your decision.