The Best Marine Amplifiers 2024

1. JBL - Multichannel Marine Amplifier - White/Black

Variable adjustment crossovers; high- and low-level inputs; conformal-coated PCB; compact size

Enjoy powerful audio performance on the high seas with this JBL multi-element marine amplifier. High and low-level inputs offer compatibility with a huge range of audio inputs, and selectable crossovers with variable electronic frequency adjustment offer deep fine-tuning options. This JBL multi-element marine amplifier features a compact chassis ideal for installing in space-limited environments.

2. JBL - Marine 1800W Class AB Bridgeable Multichannel Amplifier with Variable Crossovers - White/Black

Handles up to 450W peak power (150W RMS); 6" x 9" polypropylene woofer; 3/4" and 1/2" tweeters; water-resistant design

Enjoy dynamic sound with this five-channel JBL Marine amplifier. The 80dB signal-to-noise ratio delivers crisp, clear audio, and the compact size allows for easy transport and flexible installation. This white JBL Marine amplifier has weather-resistant construction that protects against harsh elements for long-lasting durability, and the simple interface ensures easy volume control.

3. JBL - Apex 1250W Class D Bridgeable Multichannel Amplifier with Variable Crossovers - Black

The SPH-10BT offers a new approach to smartphone connectivity with a built-in smartphone cradle and the ability to connect to the Pioneer Smart Sync app for a connected and integrated driving experience

Power up the stereo system in your watercraft with this JBL Apex powersports amplifier. Weatherproof construction including a reinforced circuit board helps ensure strong performance through harsh weather conditions. The compact size of this JBL Apex powersports amplifier helps save on space and provides a wider variety of viable installation spots.

4. Stinger - 4GA Marine Amplifier Power Installation Kit - Yellow/Red

140W maximum power handling (65W RMS); dual 6-1/2" polypropylene woofers; IPX5 water-resistant design; UV-resistant; removable grille

Add a powerful amplifier to your boat's sound system with this 23’ 4GA Marine Amplifier Power Installation Kit by Stinger. The SEA4247 features a 23-foot (7m) 4GA wire with marine-grade PVC jacket and comes in a dual cable form for neat power and ground circuit setup. The tinned oxygen-free copper conductors of this complete Stinger marine amplifier installation kit resist corrosion. This marine-compliant kit also includes an 80A MIDI fuse and element-resistant fuse holder for lasting durability.

5. Stinger - Micro 5-Channel 1000W Marine and Powersports Amplifier - Silver

Compatible with Harley-Davidson Street Glide touring models with batwing fairing 1998 to 2013; predrilled for Metra PowerSports amplifiers, including MPS-AMP60x4, MPS-AMP100x2, MPS-AMP200-2D, MPS-AMP125-4D, and MPS-AMP850-5D; support of other micro amps; steel construction, UV powder coating; allows for installation of 2 MPS amplifiers

Take your audio off-road or on the water with this Micro 5-Channel 1000W Marine and Powersports Amplifier by Stinger. The SPX1000X5 is a full-range Class D amplifier that delivers massive power in a compact size to fit limited spaces. This weather-resistant amplifier features an IPX4/5 rated design to reject salt and fog intrusion in harsh marine environments. Dial in your bass just the way you like it with the included remote subwoofer level controller. This micro amplifier is ideal for boaters or powersports users who have limited space available yet demand powerful sound.

6. MB Quart - Nautic 560W Class AB Multichannel MOSFET Amplifier with Variable Crossovers - White

Variable adjustment crossovers; high- and low-level inputs; conformal-coated PCB; compact size

Equip your boat with this four-channel MB Quartz Nautic marine amplifier for enhanced sound quality. Sound control is retained using variable electronic crossovers, while ,FLUID-FETs produce powerful, high-quality sound. This MB Quartz Nautic marine amplifier boasts marine-grade protection from water and dust and a heavy-duty heat sink for effective cooling.

7. MB Quart - Nautic 600W Class AB Multichannel Amplifier with Variable Crossovers - White

Compatible with Jeep Wrangler JL Sport 2018 and later vehicles; durable ABS construction; top, left, and right side marking

Improve your marine audio delivery with this MB Quart Nautic amplifier. The Q-Stasis preamplifier delivers maximum low voltage signals into the circuit for precise reproduction, while the electronic equalizer lets you adjust output levels to suit specific frequencies. This MB Quart Nautic amplifier features a heavy-duty heat sink for efficient temperature stabilization, and the LED indicator allows easy monitoring for overload.

8. Stinger - 8GA Marine Amplifier Power Installation Kit - Yellow/Red

Variable adjustment crossovers; high- and low-level inputs; conformal-coated PCB; compact size

Secure a boat amplifier with this complete 23’ 8GA Marine Amplifier Power Installation Kit by Stinger. The SEA4287 features a 23-foot (7m) 8GA wire with marine-grade PVC jacket and comes in a dual cable form for neat power and ground circuit setup. It also features tinned hyper-twist oxygen-free copper conductors with a high strand count for heavy-duty quality and seamless current transfer. This marine-compliant kit includes a 40A MIDI fuse and element-resistant fuse holder for lasting durability.

9. MB Quart - Nautic 1000W Class AB/D Multichannel Amplifier with Variable Crossovers - White

Variable adjustment crossovers; high- and low-level inputs; conformal-coated PCB; compact size

Boost your boat's audio transmission with this five-channel MB Quart Nautic amplifier. The variable electronic crossovers keep you in control of the sound, while the low noise preamplifier circuit minimizes signal distortion. This MB Quart Nautic amplifier features FLUID-FETS output device technology for high quality sound reproduction, and the marine-grade protection ensures durability against extreme conditions.