4 channel marine amplifiers

The following is a list of the 4 channel marine amplifiers (which cost less than $500). This list is regularly updated with the current market leaders’ models. Our editors choose everything in our database and keep it up to date on a regular basis.

This page provides a list of the top 15 4 channel marine amplifiers that will undoubtedly assist you in finding your ideal match. Let’s begin with evaluations right now, without spending much time!

If you’re looking for a basic 4 channel marine amplifiers, this top list is your best bet. It has an average rating of 4 stars after over 1200+ customer reviews and is one of our most popular items lately!

If you’re searching for a 4 channel marine amplifiers, this list is the place to go. We’ve compiled a list of 15 of our favorites so you can make an informed decision. If anything specific comes to mind or you just want some advice, keep reading below:

Top 15 List of 4 channel marine amplifiers is given below

We’ve consulted with renowned professionals who have in-and-out expertise about the 4 channel marine amplifiers. We picked a product with uncommon features that you haven’t heard of before so that your purchasing experience would be interesting! Our team went through more than 100 options to make this list just right for you.

1
Skar Audio RP-75.4ABM 500 Watt Full-Range Class A/B 4-Channel Marine Amplifier
  • 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)
2
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
3
Rockville Atom 8B 8 Channel 3500 Watt Marine/Boat Amplifier Amp w/Bluetooth
  • Rockville ATOM 8B 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 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.
  • Stainless steel end caps, mounting hardware, and bottom plate make this amp truly resistant to the elements. 4CH / 8CH Input Mode Selector. Independent Crossover Controls for CH1-4 and CH5-8. Full Range / Low Pass / High Pass Configurable. Variable High-Pass Filter: 50Hz - 250Hz at 12dB/per Octave. Variable Low-Pass Filter: 50Hz - 250Hz at 12dB/per Octave. Bass Equalization: Fully Adjustable 0 - 12dB at 45Hz. Status Mode LED Indicator.
  • Digital Class D Audio Topology. High Speed MosFET Power Supply. Studio Grade Output Stage Integrated Circuit. Micro Size Architecture with SMD Component Circuitry. Non-Corrosive Black Hairline Finish Aluminum Casing. Conforms to the American Boat and Yacht Council (ABYC) Marine Electronic Standards. 4-Way System Protection Circuitry (DC, Short, Thermal, Overload). Heavy-Duty Aluminum Alloy Heat-sink. Anti-rust RCA Inputs.
4
Rockford Fosgate M5-800X4 IPX6 Element Ready 800-Watt 4-Channel Marine Amplifier with Dynamic Power
  • Our 800-Watt, 4-channel, ultra-compact (1.7" x 4.25" x 8.41") M5-800X4 amplifier features the next level of Element Ready design and performance from Rockford Fosgate, that’s built as rugged as the outdoor environment it’s used in
  • The IPX6 rated M5 amplifiers provide superior protection and are built to stand up to all the elements including water, dust, mud, and UV rays
  • The M5 amplifiers are the first series based on new industry standard Dynamic Power ratings, deliver more output where you actually hear it (Dynamic Power Rating: 125 Watts x 4 @ 4Ω OR 200 Watts x 4 @ 2Ω OR 400 Watts x 2 @ 4Ω Bridged/Mono)
  • Built on the popular Rockford Fosgate Power Marine series, M5 amplifiers also feature the same great technologies like Constant Power, Class-AD and C.L.E.A.N., all engineered, developed, and validated in Tempe, Arizona
  • Famous Rockford Fosgate build quality with a full 2-year warranty when purchased from an authorized Rockford Fosgate reseller
5
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)
  • 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
6
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)
  • 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
7
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"
8
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
Sale9
Garmin 010-01500-00 Fusion Entertainment 4-channel Marine Amplifier
  • 2-Ohm stable stereo provides the option of connecting an extra pair of speakers in parallel, 2 per channel at 2-ohms (a total of 8 speakers
  • Marine grade connections nickel plated RCA connectors and stainless components improve signal flow for optimum output
  • Class-a/b design the 500 Watt 2-ohm stable (per channel) design ensures clean and powerful amplification of the input signal, enough to rock the boat
  • Conformal coated circuitry provides added protection from Salt air and moisture to ensure maximum product life.
  • RCA line out aand Pass through RCA output enables linking of multiple amplifiers for enhanced system performance 2 channels capable of powering 2 speakers, a sub (bridged) or 8 speakers in parallel
10
Kenwood KAC-M1814 4-Channel Compact Bridgeable Marine/Motorsports 400W Max Power Digital Amplifier
  • 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
12
JBL MA704 4 Channel Marine Amplifier 100W x 4 @ 4 OHMS (Renewed)
  • Max Power1000W Peak
  • RMS Power Output @ 2Ω100W x 4, <1% THD+N
  • RMS Power Output @ 4Ω70W x 4, <1% THD+N
  • RMS Power Output, 4Ω Bridged200W x 2, <1% THD+N
  • Signal-to-Noise Ratio>85dB (ref 1W output @ 4Ω)
13
Soundstream SM4.10000D 1000W Max 4 Channel Stealth Series Marine Grade Class D Amplifier - SM4.1000D
  • 90 watts RMS x 4 at 4 ohms (125 watts RMS x 4 at 2 ohms)
  • 250 watts x 2 bridged at 4 ohms
  • Mosfet power supply. Quick Disconnect RCA/High Level Wire Harness
  • Preamp and speaker-level inputs
  • Variable high- and low-pass filters (35-250 Hz, 12 dB/octave)
14
Pyle 4 Channel Marine Amplifier - Compact Power 400 Watt RMS 4 OHM Full Range Stereo & Waterproof - Wireless Bluetooth Receiver Audio Speaker with LCD Digital Screen - PFMRA440BB
  • ADJUSTABLE TREBLE BASS EQ: Bass signal output can operate independently and the bass amplitude range is fine-tuning. The subwoofer output is controlled separately. May appropriate to adjust the style effect according to your needs for sound effect
  • WIRELESS BLUETOOTH CONNECT: Built in 2.1 version and that ranges up to 50’ + feet and has thermal power protection circuitry and variety spring loaded speaker terminal. Also,installed with HD sound and LED digital screen that your stereo is working
  • 400 WATT POWER: 2 channel amplifier with 400 watt RMS at 4 ohm impedance and frequency range between 10-40 kHz for unrivaled sound superiority. Fully marine grade rating at IP-41, a class D circuit and RCA audio connector
  • AUXILIARY INPUT: Save MP3 audio files to a memory card and play back through the USB or SD card reader pair of RCA jacks on the rear of the amplifier, to external smartphone, computer, MP3, laptop or tablet. Connect and stream from external devices
  • HIGH-FIDELITY STEREO DESIGN: It has perfect audio outputs, plus a separate subwoofer output, volume, treble and bass shock, which can be accessed in the side panel button control center. It is made durable marine grade construction and waterproof
15
Rockville RXM-S6 Marine/Boat 6 Channel Amplifier 2600 Watt Peak / 660w Dyno-Certified RMS with Status Mode LED Indicator
  • Includes: Amplifier. PA Microphone. Bass Remote. Mounting Screws
  • Features: Rockville RXM-S6 Marine/Boat 6 Channel Amplifier 2600 Watt Peak / 660w Dyno-Certified RMS With Status Mode LED Indicator. 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). 420 Watts (6 x 70 Watts) at 4 ohms and 1% THD+N. 660 Watts (6 x 110 Watts) at 2 ohms < 1% THD. 660 Watts (3 x 220 Watts) bridged @ 4 Ohms < 1% THD.
  • Peak: (Use these ratings when comparing with the top budget brands such as Boss, Power Acoustik, etc): 2600 Watts (6 x 440 @ 2 ohms or 3 x 880 @ 4 Ohms). High-Speed MOSFET Power Supply. Studio-Grade Bipolar Output Stage Transistors. Fully Adjustable 12dB / Octave Crossover with Differential Circuitry. CH 1 - 6. Low Pass 50Hz - 250Hz. High Pass 50Hz - 250Hz. Full IC-Controlled Protection Circuitry. Fully Adjustable Bass Equalization Control. 2 Ohm Stable Stereo.
  • 4 Ohm Mono Bridgeable. 3 Channel Mixed-Mono Capable@ 4 Ohm. 2 CH / 4 CH/ 6 CHInput Mode Selector. Mute and Delay Soft Start System. Remote Dashboard Subwoofer Control. 8 Volt Preamp Circuitry. ELNA Brand Audiophile Quality Capacitors. Status Mode LED Indicator. Frequency Response: 10Hz - 40KHz. Minimum THD at Rated Power: < 0.05%. S / N Ratio: > 100dB. Damping Factor: > 200 @ 100Hz. Dual 60 Amp Maxi Fuses.
  • Dimensions: (W x H x L) 8.66" x 2.09"x 16.14"

Expert testers evaluate the goods. They’ve put them to the test in settings that are tailored to your exact demands. The reviews are public, so you may rest confident that they know what they’re talking about when it comes to choosing a new software solution!

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