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Rock your boat with quality amps! Find a wide selection of certified marine amplifiers including mono, 2-channel, and multi-channel.
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All MB Quart Marine Amplifiers

360W RMS 5-Channel Nautical Series Class SQ Marine Amplifier

• Full-Range RMS: 60W x 4 @ 4 ohms, 90W x 4 @ 2 ohms
• Subwoofer RMS: 200W x 1 @ 4 ohms, 350W x 1 @ 2 ohms
• Marine Ready
• Raven Black Finish
• Preamp RCA Outputs
• Dimensions: 9-1/2"W x 18"L x 2-1/4"H

Add a Set of 6-Channel RCA Cables and Save!

$169.99

IN STOCK

360W 4-Channel Nautical Series Class SQ Marine Amplifier

• 60W x 4-Chan. @ 4 ohms
• 90W x 4-Chan. @ 2 ohms
• 180W x 2 Chan. @ 4 ohms
• 3-Way System Protection
• 4/3/2/1 Channel Operation
• 4 Gauge Power and Ground Inputs
• 3-Way Protection Circuitry

40% Off on 4-Channel RCA Cables w/ purchase!

$99.99

IN STOCK

320W Ultra-Compact 4 Channel NA Series Full Range Class D Powersports Amplifier

• RMS Power: 80W x 4 @ 4 ohms
• Total Peak Power: 320W
• Full Range Class D Technology
• Dimensions: 3.7" W x 5.5" L x 1.7" H

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Save 33% off MB Quart Marine Bluetooth Stereo w/ Purchase!

$149.99

IN STOCK

180W RMS 2-Channel Nautical Series Class SQ Marine Amplifier

• 60W x 2 Chan. @ 4 ohms
• 90W x 2 Chan. @ 2 ohms
• 180W x 1 Chan. @ 4 ohms
• 3-Way System Protection
• 2/1 Channel Operation
• 8 Gauge Power and Ground Inputs
• 3-Way Protection Circuitry

Get 20% off an NVX Universal Remote Level Control!

$74.99

IN STOCK

400W 2 Channel NA Series Full Range Class D Powersports/Marine Amplifier

• RMS Power: 200W x 2 @ 4 ohms
• Total Power: 400W
• Frequency Response: 20-20,000 Hz
• Dimensions: 3.7" W x 5.5" L x 1.7" H

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Save 33% off MB Quart Marine Bluetooth Stereo w/ Purchase!

$149.99

IN STOCK

540W RMS 6-Channel Nautical Series Class SQ Marine Amplifier

• 60W x 6 Chan. @ 4 ohms
• 90W x 6 Chan. @ 2 ohms
• 180W x 3 Chan. @ 4 ohms
• 3-Way System Protection
• 6/5/4/3/2/1 Channel Operation
• 4 Gauge Power and Ground Inputs
• 3-Way Protection Circuitry

Add a Set of 6-Channel RCA Cables and Save!

$209.99

IN STOCK

400W Monoblock NA Series Class D Powersports/Marine Amplifier

• RMS Power: 100W x 1 @ 4 ohms, 200W x 1 @ 2 ohms, 400W x 1 @ 1 ohm
• Total Peak Power: 400W
• Frequency Response: 10-300 Hz
• Dimensions: 3.7" W x 5.5" L x 1.7" H

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Save 33% off MB Quart Marine Bluetooth Stereo w/ Purchase!

$139.99

IN STOCK

440W 4-Channel Full Range M-Line Class D Compact Marine Ready Amplifier

• RMS: 75 W x 4 @ 4 ohms, 110 W x 4 @ 2 ohms, Bridged: 220 W x 2 @ 4 ohms
•Total RMS power output: 440 watts
• New Marinized Design for Marine Application
• Added conformal coating and stainless hardware

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$369.99

IN STOCK

Only 3 Left!

MB Quart NK1-116 120W 6.5" 2-Way NK1 Series Coaxial Marine Speakers + Sony XM-604M 600W 4-Channel Marine Class AB Amplifier

• 4 ohms: 60 watts x 4 chan.

• 1" Pure Titanium Dome Tweeter
• Mounting Depth: 3.05"
• Polypropylene Cone and Butyl Rubber Surround
• CEA-2006 Compliant Amplifier
• OTL Output Transformerless Circuit Pulse Power Supply
• 4/3 or 2 channel operation
• Speaker-level (high-level) inputs
• Gold plated speaker and power terminals

$409.93

IN STOCK

Only 3 Left!

740W 5-Channel Full Range M-Line Class D Compact Marine Ready Amplifier

• RMS: 75 W x 4 + 200 W x 1 @ 4 ohms, 110 W x 4 + 300 W x 1 @ 2 ohms, Bridged: 220 W x 2 @ 4 ohms
•Total RMS power output: 740 watts
• New Marinized Design for Marine Application
• Added conformal coating and stainless hardware

VIP Guarantee - FREE 2-Day Shipping,
10% Rewards, Extended Warranty and more!

Add a Set of 6-Channel RCA Cables and Save!

$549.99

IN STOCK

Only 3 Left!

MB Quart NKF-692 6x9" 2-Way NKF Series Coaxial Marine Speakers w/ Sport Grilles + Sony XM-604M 600W 4-Channel Marine Class AB Amplifier

• 4 ohms: 60 watts x 4 chan. <
• Polypropylene Cone
• 1" Titanium Coated Tweeter
• Marine Crossover
• Gold-Plated Terminals
• Resist Corrosion
• CEA-2006 Compliant Amplifier
• OTL Output Transformerless Circuit Pulse Power Supply
• 4/3 or 2 channel operation
• Speaker-level (high-level) inputs
• Gold plated speaker and power terminals

$249.93

IN STOCK