Shop Marine Amplifiers 4 Channel

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$299.99
Kicker KMA360.4 KMA Series 4-Channel Marine Amplifier - 65 Watts RMS X 4
Crutchfield
17
$299.99
Kicker KMA360.4 KMA Series 4-Channel Marine Amplifier - 65 Watts RMS X 4
Crutchfield
17
$679.99
JL Audio XDM400/4 4-Channel Car/Marine Amplifier - 75 Watts RMS X 4
Crutchfield
1
$679.99
JL Audio XDM400/4 4-Channel Car/Marine Amplifier - 75 Watts RMS X 4
Crutchfield
1
$179.99
Kicker KMA150.2 KMA Series 2-Channel Marine Amplifier - 40 Watts RMS X 2
Crutchfield
2
$179.99
Kicker KMA150.2 KMA Series 2-Channel Marine Amplifier - 40 Watts RMS X 2
Crutchfield
2
$719.99
Kicker 48KXMA9005 KXMA900.5 4X125w 4-Ch Full-Range Class-D Marine Amplifier W/400W Class-D Sub Ch
Amazon.com
6
Free shipping
$719.99
Kicker 48KXMA9005 KXMA900.5 4X125w 4-Ch Full-Range Class-D Marine Amplifier W/400W Class-D Sub Ch
Amazon.com
6
$149.95
Rockville Atom S30 2400W 4-Channel Marine Amplifier 2/4 Ohm, Voltmeter, PA Mic, For Boats And Marine Audio Systems
Amazon.com
180
Free shipping
$149.95
Rockville Atom S30 2400W 4-Channel Marine Amplifier 2/4 Ohm, Voltmeter, PA Mic, For Boats And Marine Audio Systems
Amazon.com
180
$337.99
Pyle 4-Channel Elite Series Marine Amplifier - 1000W Bridgeable Waterproof Amp - White - 1Ct
Kohl's
879
Free shipping
$337.99
Pyle 4-Channel Elite Series Marine Amplifier - 1000W Bridgeable Waterproof Amp - White - 1Ct
Kohl's
879
$479.95
DS18 NXL 4-Channel IPX5 Marine Amplifier With 4 X 150W At 4 Ohms
Cabela's
$479.95
DS18 NXL 4-Channel IPX5 Marine Amplifier With 4 X 150W At 4 Ohms
Cabela's
$679.99
JL Audio XDM400/4 Marine Amplifier
The GPS Store, Inc.
1
Free shipping
$679.99
JL Audio XDM400/4 Marine Amplifier
The GPS Store, Inc.
1
$73.75
Pyle 4-Channel Water-Resistant Power Amplifier - Marine Grade 1500W Audio Amp - Black, Grey
Kohl's
200
Free shipping
$73.75
Pyle 4-Channel Water-Resistant Power Amplifier - Marine Grade 1500W Audio Amp - Black, Grey
Kohl's
200
$539.99
Rockford Power Marine 400 Watt Class-Ad 4-Channel Amplifier
Dig Rig Powersports
$539.99
Rockford Power Marine 400 Watt Class-Ad 4-Channel Amplifier
Dig Rig Powersports
$639.90
Garmin Fusion Signature Series Marine Amplifier, 1600-Watt 5 Channel, A Garmin Brand
Amazon.com
44
Free shipping
$639.90
Garmin Fusion Signature Series Marine Amplifier, 1600-Watt 5 Channel, A Garmin Brand
Amazon.com
44
$459.99
ART SLA-4 4-Channel Power Amplifier 4-Channel Power Amplifier, 100W RMS/Ch At 8 Ohms, With Flexible I/O, Smartfan Silent Cooling, Wide Frequency
Sweetwater
6
$459.99
ART SLA-4 4-Channel Power Amplifier 4-Channel Power Amplifier, 100W RMS/Ch At 8 Ohms, With Flexible I/O, Smartfan Silent Cooling, Wide Frequency
Sweetwater
6
$169.99
$199.99
Kenwood - 400W Class-D Bridgeable Multichannel Compact Marine Motorsports Amplifier With Variable Crossovers - Gray
Best Buy
215
Free shipping
15% off
$169.99
$199.99
Kenwood - 400W Class-D Bridgeable Multichannel Compact Marine Motorsports Amplifier With Variable Crossovers - Gray
Best Buy
215
$479.95
DS18 NXL 4-Channel IPX5 Marine Amplifier With 4 X 150W At 4 Ohms
Bass Pro Shops
$479.95
DS18 NXL 4-Channel IPX5 Marine Amplifier With 4 X 150W At 4 Ohms
Bass Pro Shops
$78.99
Pyle 4-Channel Elite Bluetooth Marine Amplifier - Waterproof Audio Amp - 400W Max - Black - 1Ct, White
Kohl's
354
Free shipping
$78.99
Pyle 4-Channel Elite Bluetooth Marine Amplifier - Waterproof Audio Amp - 400W Max - Black - 1Ct, White
Kohl's
354
$749.00
Fusion Apollo Marine 4 Channel 1200-Watt Amplifier | Overton's
Overton's
3
Free shipping
$749.00
Fusion Apollo Marine 4 Channel 1200-Watt Amplifier | Overton's
Overton's
3
$265.99
Seachoice 4-Channel Marine Power Amplifier - 1000W - MR1000SC
Defender Marine
$265.99
Seachoice 4-Channel Marine Power Amplifier - 1000W - MR1000SC
Defender Marine
$659.95
DS18 NXL 4-Channel Full-Range Waterproof Class D Marine Amplifier
Cabela's
$659.95
DS18 NXL 4-Channel Full-Range Waterproof Class D Marine Amplifier
Cabela's
$268.76
DS18 NXL-N4 4-Channel Marine NANO Amplifier, Size 4 X 100W RMS | Overton's
Overton's
18
Free shipping
$268.76
DS18 NXL-N4 4-Channel Marine NANO Amplifier, Size 4 X 100W RMS | Overton's
Overton's
18
$335.95
DS18 NXL 4-Channel Full-Range Class D IP67 Marine NANO Amplifier
Cabela's
18
$335.95
DS18 NXL 4-Channel Full-Range Class D IP67 Marine NANO Amplifier
Cabela's
18
$527.96
DS18 NXL-X850.4D 4-Channel Marine Amplifier, Size 4 X 200W RMS | Overton's
Overton's
Free shipping
$527.96
DS18 NXL-X850.4D 4-Channel Marine Amplifier, Size 4 X 200W RMS | Overton's
Overton's
Free shipping
$238.99
Fusion Marine 4-Channel Amplifier - 010-01500-00
Defender Marine
59
$238.99
Fusion Marine 4-Channel Amplifier - 010-01500-00
Defender Marine
59
$113.10
Pyle 1500W 4-Channel Marine Amplifier Receiver - Waterproof & Black
eBay.com
Free shipping
$113.10
Pyle 1500W 4-Channel Marine Amplifier Receiver - Waterproof & Black
eBay.com
Free shipping
$254.49
Power Acoustik Marine 4 Ch. Class D Amp 3000 Watts White MA4-3000D
Optics Planet
$254.49
Power Acoustik Marine 4 Ch. Class D Amp 3000 Watts White MA4-3000D
Optics Planet
$335.95
DS18 NXL 4-Channel Full-Range Class D IP67 Marine NANO Amplifier
Bass Pro Shops
18
$335.95
DS18 NXL 4-Channel Full-Range Class D IP67 Marine NANO Amplifier
Bass Pro Shops
18
$419.95
$524.94
Memphis MXA600.4 600 Watts 4-Channel Marine Grade Amplifier W/ Compact Design
HifiSoundConnection Bing Store
Free shipping
20% off
$419.95
$524.94
Memphis MXA600.4 600 Watts 4-Channel Marine Grade Amplifier W/ Compact Design
HifiSoundConnection Bing Store
Free shipping
$78.99
Pyle 4-Channel Marine Bluetooth Amplifier - 400 Watt Waterproof - White
Macy's
Free shipping
$78.99
Pyle 4-Channel Marine Bluetooth Amplifier - 400 Watt Waterproof - White
Macy's
Free shipping
$268.76
DS18 NXL-N4 4-Channel Marine NANO Amplifier, 4 X 100W RMS | Camping World
Camping World
18
Free shipping
$268.76
DS18 NXL-N4 4-Channel Marine NANO Amplifier, 4 X 100W RMS | Camping World
Camping World
18
$349.99
Kicker KMA600.4 (48KMA6004) 725W Peak (600W RMS) Class D KM Series 4-Channel Marine Amplifier
Sonic Electronix
29
$349.99
Kicker KMA600.4 (48KMA6004) 725W Peak (600W RMS) Class D KM Series 4-Channel Marine Amplifier
Sonic Electronix
29
$649.99
Fusion Ms-Ap41200 150W Per Channel RMS @4Ohm Apollo 4 Channel Marine Amplifier
Walmart
Free shipping
$649.99
Fusion Ms-Ap41200 150W Per Channel RMS @4Ohm Apollo 4 Channel Marine Amplifier
Walmart
Free shipping
$119.99
Pyle 4-Channel Waterproof Powersport Amplifier, 1500W, Marine Grade - Silver
Macy's
Free shipping
$119.99
Pyle 4-Channel Waterproof Powersport Amplifier, 1500W, Marine Grade - Silver
Macy's
Free shipping
$176.63
Soundstream - MR4.1400D - 1400W Max Power 4-Channel Marine Amplifier
Online Car Stereo
50
Free shipping
$176.63
Soundstream - MR4.1400D - 1400W Max Power 4-Channel Marine Amplifier
Online Car Stereo
50
$479.96
DS18 NXL-X6004D 4-Channel Marine Amplifier, 4 X 150W RMS | Camping World
Camping World
2
Free shipping
$479.96
DS18 NXL-X6004D 4-Channel Marine Amplifier, 4 X 150W RMS | Camping World
Camping World
2
$659.95
JBL Marine A1504 (JBLMA1504AM) 900W RMS Class D Series 4-Channel Car Amplifier
Sonic Electronix
$659.95
JBL Marine A1504 (JBLMA1504AM) 900W RMS Class D Series 4-Channel Car Amplifier
Sonic Electronix
$659.95
DS18 NXL 4-Channel Full-Range Waterproof Class D Marine Amplifier
Bass Pro Shops
$659.95
DS18 NXL 4-Channel Full-Range Waterproof Class D Marine Amplifier
Bass Pro Shops
$1,099.99
JL Audio MV400/4I 400W RMS Class D Mvi Series 4 Channel Marine Amplifier
Sonic Electronix
1
$1,099.99
JL Audio MV400/4I 400W RMS Class D Mvi Series 4 Channel Marine Amplifier
Sonic Electronix
1
Sponsored
Top 10 Best Marine Amplifier 4 Channel of 2025
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Water Resistant Bluetooth Marine 4 Channel Class A/B Amplifier Media Stereo on Boats UTV ATV Golf Carts and Cars
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Apr 30, 2015
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Our new MA Marine Amplifiers are making waves with serious power, clean design, and durability that holds up offshore. - Built for the water with conformal coated circuit boards and stainless steel hardware, these amps are ready for salt, spray, and sun. - Protection is built in, with LED indicators and safeguards against thermal, short, and voltage issues to keep your system running smooth. - And when it comes to output, don’t just take our word for it—every amp includes a dyno-tested power cer
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Pyle 800W 4-Channel Hydra Marine Micro Amplifier - Waterproof - GAIN Level Controls - RCA Stereo Input - 3.5mm Jack - MP3 - Volume Control - Short Protection - For Boat & Vehicle Use - PLMRMP3B
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Pyle Hydra Marine 400W 4-Channel Amplifier - Waterproof with Dual MOSFET Power Supply - GAIN level Controls - RCA Input - LED Indicator - Compact Design for Boat/Vehicle Audio - PLMRA402
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JL Audio Online Training | Marine Amplifier Overview
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Shop Marine Amplifiers 4 Channel

Sponsored
About our ads
$299.99
Kicker KMA360.4 KMA Series 4-Channel Marine Amplifier - 65 Watts RMS X 4
Crutchfield
17
$299.99
Kicker KMA360.4 KMA Series 4-Channel Marine Amplifier - 65 Watts RMS X 4
Crutchfield
17
$679.99
JL Audio XDM400/4 4-Channel Car/Marine Amplifier - 75 Watts RMS X 4
Crutchfield
1
$679.99
JL Audio XDM400/4 4-Channel Car/Marine Amplifier - 75 Watts RMS X 4
Crutchfield
1
$179.99
Kicker KMA150.2 KMA Series 2-Channel Marine Amplifier - 40 Watts RMS X 2
Crutchfield
2
$179.99
Kicker KMA150.2 KMA Series 2-Channel Marine Amplifier - 40 Watts RMS X 2
Crutchfield
2
$719.99
Kicker 48KXMA9005 KXMA900.5 4X125w 4-Ch Full-Range Class-D Marine Amplifier W/400W Class-D Sub Ch
Amazon.com
6
Free shipping
$719.99
Kicker 48KXMA9005 KXMA900.5 4X125w 4-Ch Full-Range Class-D Marine Amplifier W/400W Class-D Sub Ch
Amazon.com
6
$149.95
Rockville Atom S30 2400W 4-Channel Marine Amplifier 2/4 Ohm, Voltmeter, PA Mic, For Boats And Marine Audio Systems
Amazon.com
180
Free shipping
$149.95
Rockville Atom S30 2400W 4-Channel Marine Amplifier 2/4 Ohm, Voltmeter, PA Mic, For Boats And Marine Audio Systems
Amazon.com
180
$337.99
Pyle 4-Channel Elite Series Marine Amplifier - 1000W Bridgeable Waterproof Amp - White - 1Ct
Kohl's
879
Free shipping
$337.99
Pyle 4-Channel Elite Series Marine Amplifier - 1000W Bridgeable Waterproof Amp - White - 1Ct
Kohl's
879
$479.95
DS18 NXL 4-Channel IPX5 Marine Amplifier With 4 X 150W At 4 Ohms
Cabela's
$479.95
DS18 NXL 4-Channel IPX5 Marine Amplifier With 4 X 150W At 4 Ohms
Cabela's
$679.99
JL Audio XDM400/4 Marine Amplifier
The GPS Store, Inc.
1
Free shipping
$679.99
JL Audio XDM400/4 Marine Amplifier
The GPS Store, Inc.
1
$73.75
Pyle 4-Channel Water-Resistant Power Amplifier - Marine Grade 1500W Audio Amp - Black, Grey
Kohl's
200
Free shipping
$73.75
Pyle 4-Channel Water-Resistant Power Amplifier - Marine Grade 1500W Audio Amp - Black, Grey
Kohl's
200
$539.99
Rockford Power Marine 400 Watt Class-Ad 4-Channel Amplifier
Dig Rig Powersports
$539.99
Rockford Power Marine 400 Watt Class-Ad 4-Channel Amplifier
Dig Rig Powersports
$639.90
Garmin Fusion Signature Series Marine Amplifier, 1600-Watt 5 Channel, A Garmin Brand
Amazon.com
44
Free shipping
$639.90
Garmin Fusion Signature Series Marine Amplifier, 1600-Watt 5 Channel, A Garmin Brand
Amazon.com
44
$459.99
ART SLA-4 4-Channel Power Amplifier 4-Channel Power Amplifier, 100W RMS/Ch At 8 Ohms, With Flexible I/O, Smartfan Silent Cooling, Wide Frequency
Sweetwater
6
$459.99
ART SLA-4 4-Channel Power Amplifier 4-Channel Power Amplifier, 100W RMS/Ch At 8 Ohms, With Flexible I/O, Smartfan Silent Cooling, Wide Frequency
Sweetwater
6
$169.99
$199.99
Kenwood - 400W Class-D Bridgeable Multichannel Compact Marine Motorsports Amplifier With Variable Crossovers - Gray
Best Buy
215
Free shipping
15% off
$169.99
$199.99
Kenwood - 400W Class-D Bridgeable Multichannel Compact Marine Motorsports Amplifier With Variable Crossovers - Gray
Best Buy
215
$479.95
DS18 NXL 4-Channel IPX5 Marine Amplifier With 4 X 150W At 4 Ohms
Bass Pro Shops
$479.95
DS18 NXL 4-Channel IPX5 Marine Amplifier With 4 X 150W At 4 Ohms
Bass Pro Shops
$78.99
Pyle 4-Channel Elite Bluetooth Marine Amplifier - Waterproof Audio Amp - 400W Max - Black - 1Ct, White
Kohl's
354
Free shipping
$78.99
Pyle 4-Channel Elite Bluetooth Marine Amplifier - Waterproof Audio Amp - 400W Max - Black - 1Ct, White
Kohl's
354
$749.00
Fusion Apollo Marine 4 Channel 1200-Watt Amplifier | Overton's
Overton's
3
Free shipping
$749.00
Fusion Apollo Marine 4 Channel 1200-Watt Amplifier | Overton's
Overton's
3
$265.99
Seachoice 4-Channel Marine Power Amplifier - 1000W - MR1000SC
Defender Marine
$265.99
Seachoice 4-Channel Marine Power Amplifier - 1000W - MR1000SC
Defender Marine
$659.95
DS18 NXL 4-Channel Full-Range Waterproof Class D Marine Amplifier
Cabela's
$659.95
DS18 NXL 4-Channel Full-Range Waterproof Class D Marine Amplifier
Cabela's