Best Marine Amp 4 Channel 2021 - Top 10 Picks

This is the ultimate buyer's guide to finding the right marine amp 4 channel to suit your needs. We review the 10 bestmarine amp 4 channel on the market so you know that your next decision will be a smart one!

When you're trying to select the good marine amp 4 channel, there are a lot of factors to consider. This page has everything you need to know in one place.

This guide will help you avoid the pitfalls that come with researching marine amp 4 channel.

You don't have to try out every marine amp 4 channel to find one that meets your needs. After extensive research and hours of in-person tests, we've found the best marine amp 4 channel to be Rockville RXM-S30 Micro Marine/ATV Amplifier 2400w Max 4 Channel 4x150w. There are a lot of sub-par products out there, but this product is one of the highest quality you'll find. Next best option is Garmin 010-01969-00 Signature Series 4 Channel Marine Amplifier.

Choosing the marine amp 4 channel can be a daunting task, especially if you're doing it for the first time. Here's what we recommend based on our extensive research. We've compiled a list of the highest rated marine amp 4 channel. The following products are some of the best you can get right now.

List of Top 10 Marine Amp 4 Channel

Review of Best Marine Amp 4 Channel

1. Rockville RXM-S30 Micro Marine/ATV Amplifier 2400w Max 4 Channel 4x150w

  • Rockville RxM-S30 2400w / 600w Dyno-Certified RMS 4 Channel Proton Micro Marine Car 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). 400 Watts (4 x 90 Watts) at 4 ohms and 1% THD+N. 600 Watts (4 x 150 Watts) at 2 ohms < 1% THD. 600 Watts (2 x 300 Watts) bridged @ 4 Ohms < 1% THD. Peak: (Use these ratings when comparing with the top budget brands such as Boss, Power Acoustik, etc): 2400 Watts (2 x 1200 @ 2 ohms or 1 x 2400 @ 4 Ohms).
  • Marine amplifier with conformal coated PCB board. High-Speed MOSFET Power Supply. Studio-Grade Bipolar Output Stage Transistors. Double Sided Surface Mount (SMD) PCB Design. Selectable +6dB/+12dB Bass Equalizer @ 45hz. Channel Separation: 50 dB. Current drawn @ MAx RMS output: 27A @ 4ohm, 40A @ 2ohm. Efficiency @ MAx RMS output: 65% @ 4ohm, 60% @ 2ohm. 2-Ohm Stable Stereo. 4-Ohm Mono Bridgeable. 3 Channel Mixed-Mono Capable.
  • Input sensitivity: 20mV-6V. Mute and Delay Soft Start System. Full IC-Controlled Protection Circuitry. 2 CH / 4 CH Input Mode Switch. RCA Preamp Line Output. 8 Volt Preamp Circuitry. Status Mode LED Indicator. 4 Gauge Lucite Encapsulated Power/Ground Terminals. 12 Gauge Lucite Encapsulated Speaker Terminals. THD+A: 0.01%. Frequency Response: 15Hz - 20KHz. Continuously Fully Adjustable 12dB / Octave Crossover with Differential Circuitry. Continuously Fully Adjustable
  • High Pass Crossover: 50HZ - 250HZ. CH1 & CH2 High Pass 50Hz - 250Hz. CH3 & CH4 Low Pass 50Hz - 250Hz. CH3 & CH4 High Pass 50Hz - 250Hz. Full Adjustable Crossover Controls: low pass, high pass, and full pass. Sensitivity: 100dB @ 1w / 1m. S/N Ratio: >90dB. Damping Factor: > 200 @ 100Hz. 2 x 30A Fuses. 7 LBS. Dimensions: (W x H x L) 6.7" x 1.98" x 12.28"

2. Garmin 010-01969-00 Signature Series 4 Channel Marine Amplifier

  • 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

3. Rockford Fosgate TM400X4ad Power Marine 400 Watt Class-ad 4-Channel Amplifier

  • Our compact (1.6” x 4.3” x 8.3”) Power Marine TM400X4ad 4-channel amplifier produces more power per square inch than any other model we make with 400 Watts of POWER
  • Proprietary Constant Power amps are the most powerful on the market, delivering up to 25% more power across all impedance loads (100 Watts x 4 @ 4-Ohm or 100 Watts x 4 @ 2-Ohm or 200 Watts x 2 @ 4-Ohm Bridged)
  • Built on Rockford Fosgate’s proprietary Class-AD technology and Element Ready protecting against dust, UV, and corrosion, making it perfect for motorsport and marine applications
  • High-level auto turn-on, CLEAN circuit input/output clip detection, On-board Punch EQ with +18dB boost @ 45Hz and 12dB/octave Butterworth crossover make TM400X4ad an impressive POWER house
  • Famous Rockford Fosgate build quality insures that the TM400X4ad will handle everything you throw at it! Full 2-year parts and labor warranty when purchased from an authorized Rockford Fosgate reseller

4. M400/4 - JL Audio 4-Channel 400 Watt Marine Amplifier

  • M400/4 - JL Audio 4-Channel 400 Watt Marine Amplifier
  • NexD technology features unsurpassed efficiency
  • Pulse Width Modulated MOSFET power supply
  • Remote bass level input (JL Audio HD-RLC remote level control sold separately)
  • Dimensions: 8-1/2"L x 7-1/8"W x 2-1/16"H

5. Wet Sounds HTX-6 Class D 6 Channel Marine Amplifier

  • Features: HTX Series 6-Channel Class D Marine Amplifier. RMS Power Rating: 4 ohms: 100 watts x 6 chan. | 2 ohms: 150 watts x 6 chan. | Bridged, 4 ohms: 300 watts x 3 chan. | Total power output: 900 watts RMS. CEA-2006 Compliant Amplifier, Pulse Width Modulated MOSFET power supply, LED power (blue) and protect (red) indicators, Removable crossover/level control cover, Removable wire terminals/plugs.
  • Conformal coated PCB boards, Completely sealed, salt-water compliant high mass heat sink, Fully stainless steel hardware, Soft start turn-on, 6, 5 or 3 channel operation, 3-way protection circuitry (thermal, overload, and speaker short protection), Dual speaker terminals simplify the hookup of multiple speakers, Heavy duty aluminum alloy heat-sink for extreme heat dissipation, Input sensitivity: 200mV - 6.1V.
  • Frequency Response: 7 - 33,000 Hz, Total Harmonic Distortion (THD): <1.0%, Signal to Noise Ration: >85 dB (75watts @4ohms), Selectable Crossover Modes (Ch1-6): Low / High, Variable crossover filter: 50 - 250 Hz, 12 dB/octave, Fuse Rating: 40 A x 2, Speaker connections accept 12 - 16 AWG wiring, Dimensions: 7.126"W x 13.230"L x 3.000"H.

6. JBL - 4-channel, 100W x [email protected] 4 ohms, full-range marine amplifier

  • Compact Size
  • High- and Low- level inputs
  • Selectable Output and Variable Adjustment Crossovers
  • Conformal-Coated PCB
  • Variable Crossovers

7. 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)

  • 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

8. 2.1 Bluetooth Marine Amplifier Receiver - Waterproof 4 Channel Wireless Bridgeable Audio Amp for Stereo Speaker with 1000 Watt Power Dual MOSFET Supply, GAIN Level and LED Indicator - Pyle PLMRA430BT

  • 4 CHANNEL BRIDGEABLE AMPLIFIER: Pyle’s PLMRA430BT is engineered as a 4 Channel bridgeable marine amplifier that powers up your speaker and is universally compatible. It has a bridge mode selection switch and high or low electronic crossover network
  • 2.1 BLUETOOTH CONNECTIVITY: Built with 2.1 Bluetooth connectivity that has a wireless range of 25+ feet. Compatible with all Bluetooth devices like iPhone, Android, iPad and tablets. It even has a smart auto connect that remembers device pairing info
  • WATERPROOF & WEATHERPROOF: The audio amplifier is waterproof with its marine grade rating of IP-01. It’s constructed with silver-plated stereo speaker output terminal connectors to combat weather corrosion with long term us
  • 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 receiver is powerful with its 1000 WATT MAX and dual MOSFET power supply. Comes with dual adjustable input GAIN level controls between 4 to 8 Ohm speaker impedance

9. Rockford Fosgate TM400X2ad Power Marine 400 Watt Class-ad 2-Channel Amplifier

  • Our compact (1.6” x 4.3” x 7”) Power Marine TM400X2ad 2-channel amplifier capable of driving even the most demanding full range speakers with 400 Watts of POWER
  • Proprietary Constant Power amps are the most powerful on the market, delivering up to 25% more power across all impedance loads (200 Watts x 2 @ 4-Ohm or 200 Watts x 2 @ 2-Ohm or 400 Watts x 1 @ 4-Ohm Bridged)
  • Built on Rockford Fosgate’s proprietary Class-AD technology and Element Ready protecting against dust, UV, and corrosion, making it perfect for motorsport and marine applications
  • High-level auto turn-on, CLEAN circuit input/output clip detection, On-board Punch EQ with +18dB boost @ 45Hz and 12dB/octave Butterworth crossover make TM400X2ad 2 an impressive POWER house
  • Famous Rockford Fosgate build quality insures that the TM400X2ad 2 will handle everything you throw at it! Full 2-year parts and labor warranty when purchased from an authorized Rockford Fosgate reseller

10. 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
  • 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

Last update on 2021-12-03 / Affiliate links / Images from Amazon Product Advertising API

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