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MB Quart DA2-500.5D

500W Peak Class D Discus Series 5 Channel Marine and Powersports Amplifier

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500W Peak Class D Discus Series 5 Channel Marine and Powersports Amplifier

• 35 watts x 4 channel + 150 watts x 1 channel @ 4 ohm
• 50 watts x 4 channel + 225 watts x 1 channel @ 2 ohm
• 350 watts x 1 channel @ 1 ohm
• Bridged: 100 watts x 2 channel @ 4 ohm
• Total RMS Power: 500 watts
• Class D 1 ohm Stable 5-Channel Amplifier

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List price $530.00
-9% $480.00

Available

Ships in 10-14 days

• 35 watts x 4 channel + 150 watts x 1 channel @ 4 ohm
• 50 watts x 4 channel + 225 watts x 1 channel @ 2 ohm
• 350 watts x 1 channel @ 1 ohm
• Bridged: 100 watts x 2 channel @ 4 ohm
• Total RMS Power: 500 watts
• Class D 1 ohm Stable 5-Channel Amplifier

MB Quart DA2-520.4D

520W Peak Class D Discus Series 4 Channel Marine and Powersports Amplifier

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520W Peak Class D Discus Series 4 Channel Marine and Powersports Amplifier

• 90 watts x 4 channel @ 4 ohm
• 130 watts x 4 channel @ 2 ohm
• Bridged: 260 watts x 2 channel @ 4 ohm
• Total RMS Power: 520 watts
• Class D 2 ohm Stable 4-Channel Amplifier

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List price $460.00
-10% $415.00

Available

Ships in 10-14 days

• 90 watts x 4 channel @ 4 ohm
• 130 watts x 4 channel @ 2 ohm
• Bridged: 260 watts x 2 channel @ 4 ohm
• Total RMS Power: 520 watts
• Class D 2 ohm Stable 4-Channel Amplifier

MB Quart NA4-320.4

320W RMS Class D Nautic Series 4-Channel Marine and Powersports Amplifier

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320W RMS Class D Nautic Series 4-Channel Marine and Powersports Amplifier

• 40 watts x 4 channel @ 4 ohm
• 80 watts x 4 channel @ 2 ohm
• Total RMS Power: 320 watts
• Class D 2 ohm Stable 4-Channel Amplifier

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List price $229.99
-9% $209.99

Available

Ships in 10-14 days

• 40 watts x 4 channel @ 4 ohm
• 80 watts x 4 channel @ 2 ohm
• Total RMS Power: 320 watts
• Class D 2 ohm Stable 4-Channel Amplifier

MB Quart NP1-120

280W Peak (140W RMS) 8" Nautic Premium Series 2 Way Coaxial 4-ohm Marine and Powersports Speakers with Grilles

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280W Peak (140W RMS) 8" Nautic Premium Series 2 Way Coaxial 4-ohm Marine and Powersports Speakers with Grilles

• 140 watts Peak Each, 70 watts RMS Each
• 1" Titanium Dome Tweeter
• Injection Molded Polypropylene Material
• Impedance: 4 ohm
• Sensitivity: 92 dB
• Mounting Depth: 3-11/16"

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List price $285.99
-9% $259.99 /pair

Available

Ships in 10-14 days

• 140 watts Peak Each, 70 watts RMS Each
• 1" Titanium Dome Tweeter
• Injection Molded Polypropylene Material
• Impedance: 4 ohm
• Sensitivity: 92 dB
• Mounting Depth: 3-11/16"

Limited time!

MB Quart NF1-116SW

160W Peak (80W RMS) 6.5" Nautic Series 2 Way Coaxial 4-ohm Marine and Powersports Shallow Speakers with White Grilles

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160W Peak (80W RMS) 6.5" Nautic Series 2 Way Coaxial 4-ohm Marine and Powersports Shallow Speakers with White Grilles

• 80 watts Peak Each, 40 watts RMS Each
• 3/4" Composite Dome Tweeter
• Composite Polypropylene Cone - CPPC Material
• Impedance: 4 ohm
• Sensitivity: 89 dB
• Mounting Depth: 1"

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List price $69.99
-14% $59.99 /pair

In stock

• 80 watts Peak Each, 40 watts RMS Each
• 3/4" Composite Dome Tweeter
• Composite Polypropylene Cone - CPPC Material
• Impedance: 4 ohm
• Sensitivity: 89 dB
• Mounting Depth: 1"

MB Quart DA2-500.2D

500W Peak Class D Discus Series 2 Channel Marine and Powersports Amplifier

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500W Peak Class D Discus Series 2 Channel Marine and Powersports Amplifier

• 150 watts x 2 channel @ 4 ohm
• 250 watts x 2 channel @ 2 ohm
• Bridged: 500 watts x 1 channel @ 4 ohm
• Total RMS Power: 500 watts
• Class D 2 ohm Stable 2-Channel Amplifier

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VIP Product Get $34.50 in rewards to spend later

List price $380.00
-9% $345.00

Available

Ships in 10-14 days

• 150 watts x 2 channel @ 4 ohm
• 250 watts x 2 channel @ 2 ohm
• Bridged: 500 watts x 1 channel @ 4 ohm
• Total RMS Power: 500 watts
• Class D 2 ohm Stable 2-Channel Amplifier

MB Quart NA4-400.2RC

400W RMS Class D Nautic Series 2-Channel Marine and Powersports Amplifier (Polaris RIDE COMMAND Compatible)

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400W RMS Class D Nautic Series 2-Channel Marine and Powersports Amplifier (Polaris RIDE COMMAND Compatible)

• 100 watts x 2 channel @ 4 ohm
• 200 watts x 2 channel @ 2 ohm
• Total RMS Power: 400 watts
• Class D 2 ohm Stable 2-Channel Amplifier
• Compatible with Polaris RIDE COMMAND source units

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VIP Product Get $20.00 in rewards to spend later

List price $219.99
-9% $199.99

Available

Ships in 10-14 days

• 100 watts x 2 channel @ 4 ohm
• 200 watts x 2 channel @ 2 ohm
• Total RMS Power: 400 watts
• Class D 2 ohm Stable 2-Channel Amplifier
• Compatible with Polaris RIDE COMMAND source units

MB Quart SWVL-1G (SWVL1G)

Dove Gray Swivel Bracket for MB Quart NT1, NT2, NHT1 Wake Tower/Pod Speakers (Individual)

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Dove Gray Swivel Bracket for MB Quart NT1, NT2, NHT1 Wake Tower/Pod Speakers (Individual)

• Swivel Mount for MB Quart Speakers
• Fits NT1, NT2, NHT1 Speakers
• Lock Nut Secures Adjustments
• Attaches Between Speaker Pod and Mounting Bracket
• Sold Individually

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List price $39.99
-38% $24.95

Available

Ships in 10-14 days

• Swivel Mount for MB Quart Speakers
• Fits NT1, NT2, NHT1 Speakers
• Lock Nut Secures Adjustments
• Attaches Between Speaker Pod and Mounting Bracket
• Sold Individually

MB Quart GMR-7V1.2

7" Bulkhead Mount Digital Multimedia Marine Receiver with Bluetooth and Wireless Apple CarPlay and Android Auto

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7" Bulkhead Mount Digital Multimedia Marine Receiver with Bluetooth and Wireless Apple CarPlay and Android Auto

• Bulkhead Mount In-Dash Bluetooth Digital Multimedia Marine Receiver
• 7" TFT-LCD Display
• Wireless Apple CarPlay and Android Auto compatible
• 3 sets of 4 volts preamp outputs
• 10-Band Graphic Equalizer and 6 Presets
• Dual zone audio control

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List price $499.99
-16% $419.99

In stock

• Bulkhead Mount In-Dash Bluetooth Digital Multimedia Marine Receiver
• 7" TFT-LCD Display
• Wireless Apple CarPlay and Android Auto compatible
• 3 sets of 4 volts preamp outputs
• 10-Band Graphic Equalizer and 6 Presets
• Dual zone audio control

MB Quart GMR-WREM - Open Box, Great

Waterproof Wired Remote for Gauge Mount Radio

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Waterproof Wired Remote for Gauge Mount Radio

• GMR-WREM allows control of the GMR-3
• Waterproof DIN cable
• Color: Black
• Marine grade protection
• All controls are all protected from the elements with the large waterproof button

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List price $72.99
-38% $45.49

In stock

• GMR-WREM allows control of the GMR-3
• Waterproof DIN cable
• Color: Black
• Marine grade protection
• All controls are all protected from the elements with the large waterproof button

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    All About

    MB Quart Marine Audio & Electronics
    Looking to take your boating experience to another level? If adding a stereo system to your boat is what you had in mind, look no further than MB Quart. Starting with high quality marine rated in-dash receivers, MB Quart offers the GMR mechless digital media stereos. MB Quart marine speakers take the same technology put into developing car speakers and implement them into marine applications. The MB Quart marine speakers, available in both tower speakers and regular speaker designs, feature waterproof motor structures as well as water and UV resistant cones and surrounds to survive and thrive in the elements. To complete the sound system in your boat, MB Quart offers monoblock and multi-channel (up to 6 channels) marine rated amplifiers and a 10" single 4 ohm marine subwoofers.

    All MB Quart marine audio products feature a stylish design intended for a seamless fit in your boat. They feature the same high quality output and long lasting life that MB Quart car products have become known for.

    Related Categories in MB Quart Marine Audio & Electronics


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    We love people and we're ready to help you! See what separates us from our competition.

    Take advantage of our VIP rewards like 10% back on your purchases, free 2-day shipping, extended warranties, and free returns! Gain access to all of these rewards without any membership fees.
    Get great discounted (and possibly FREE) installation accessories with most car stereo purchases. This includes dash kits, wiring harnesses and antenna adapters that you will need to properly install your new car stereo.
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    Shop Deals and get up to 30% off premium brands! Shop Now! We are always looking out for the best products and deals to offer our customers. Don’t pay too much by shopping elsewhere!
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    Modern vehicles often require specific brackets, wiring harnesses, and mounting solutions. A fit guide ensures:

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    Whether you're replacing a factory stereo or upgrading your entire audio system, the Fit Finder eliminates uncertainty.