Best Buy Tech Fest SaleEnds Sunday. Limited quantities. No rainchecks.Shop now

Skip to contentGo to Product Search
Main Content

MB Quart - Discus 4 Channel Marine Amplifier with Top Mounted Controls, 520 Watts - Black

Model: DA2-520.4D
SKU: 12605149

Reviews coming soon

Sold & shipped by
Spreetail
$352.75
or
$29.40/mo.
suggested payments with 12-Month Financing
Show me how
Sold & shipped by
Spreetail
3.76(309)

Related Item

SponsoredPioneer - 4-Channel Class D Amplifier - Black
Tech Fest Deal
$219.99
The price was $269.99
Specifications
  • Amplifier Class
    D
    Number Of Channels
    4
    Bass Boost
    Variable
  • Key Specs
    • Amplifier Class: D (An amplifier's mode of operation, specifically the conditions in which its electrical current flows for the duration of an audio signal, determines its class. Each class has its strengths and weaknesses when it comes to power efficiency, levels of crossover distortion, and overall sound quality.)
    • Number Of Channels: 4
    • Bass Boost: Variable (Circuitry that boosts the bass response of the amplifier, improving audio reproduction enhancing the sound of low frequencies. Fixed boost means the level of bass response is preset, whereas variable boost allows the user to make adjustments.)
  • General
    • Brand: MB Quart
    • Model Number: DA2-520.4D
    • Product Name: MB Quart Discus 4 Channel Marine Amplifier with Top Mounted Controls, 520 Watts
    • Color: Black
  • Audio Power
    • Amplifier Class: D (An amplifier's mode of operation, specifically the conditions in which its electrical current flows for the duration of an audio signal, determines its class. Each class has its strengths and weaknesses when it comes to power efficiency, levels of crossover distortion, and overall sound quality.)
  • Audio
    • Number Of Channels: 4
    • Bass Boost: Variable (Circuitry that boosts the bass response of the amplifier, improving audio reproduction enhancing the sound of low frequencies. Fixed boost means the level of bass response is preset, whereas variable boost allows the user to make adjustments.)
  • Dimensions
    • Product Height: 4.0 inches (The out of box height of the item. Height is measured as the vertical distance from the bottom of the item to the top as it would be primarily used or placed.)
    • Product Width: 6.0 inches (The out of box width of the item. Width is measured as the horizontal distance from one side of the item to the other as it would be primarily used or placed.)
    • Product Depth: 21.75 inches (The out of box depth of the item. Depth is measured as the distance from the front of the item to the back as it would be primarily used or placed.)
    • Product Weight: 6.1 pounds (The out of box weight of the item.)
  • Warranty
    • Warranty - Parts: 1 year
    • Warranty - Labor: None
  • Other
    • UPC: 806576236528

Take your marine audio system to the next level with the MB Quart Discus 4 Channel Marine Amplifier, engineered for powerful performance and rugged durability in harsh environments. Delivering up to 520 watts of clean, efficient power at 2 ohms of amp power and 360 watts at 4 ohms of amp power, this amplifier is built to handle life on the water while providing exceptional sound clarity and control. Its potted internal components add an extra layer of protection against moisture, vibration, and corrosion, making it ideal for boats, UTVs, and other outdoor applications.At the heart of the system is a highly efficient Class D topology, allowing the amplifier to generate significant power while maintaining a compact design and minimizing strain on your electrical system. The premium MOSFET Pulse Width Modulation power supply ensures consistent output, while MB Quart’s FLUID-FET output devices deliver clean, high-quality sound that rivals high-end home audio systems.The Q-Stasis preamplifier stage maximizes low-voltage input signals with minimal distortion, preserving audio detail and clarity. Variable electronic crossovers and onboard sound contouring features, including bass boost and adjustable input sensitivity, allow you to fine-tune your system for optimal performance.Built for convenience and reliability, the amplifier features waterproof connectors and prewired RCA inputs for secure, corrosion-resistant connections. Top-mounted controls are sealed for protection yet easily accessible for quick adjustments. LED system diagnostics provide real-time feedback for overload and short protection, ensuring your system stays safe and performing at its best.

  • MB Quart Discus 4 Channel Marine Amplifier with Top Mounted: MB Quart Discus 4 channel amp delivers 4x130W @ 2 ohm, 4x90W @ 4 ohm, or 2x260W bridged @ 4 ohm—ideal marine amp, motorcycle amp, and UTV audio system upgrade
Whats Included
  • MB Quart Discus 4 Channel Marine Amplifier with Top Mounted Controls, 520 Watts
Sponsored

Compare similar products

MB Quart - Discus 4 Channel Marine Amplifier with Top Mounted Controls, 520 Watts - Black
MB Quart - Discus 4 Channel Marine Amplifier with Top Mounted Controls, 520 Watts - Black

Take your marine audio system to the next level with the MB Quart Discus 4 Channel Marine Amplifier, engineered for powerful performance and rugged durability in harsh environments. Delivering up to 520 watts of clean, efficient power at 2 ohms of amp power and 360 watts at 4 ohms of amp power, this amplifier is built to handle life on the water while providing exceptional sound clarity and control. Its potted internal components add an extra layer of protection against moisture, vibration, and corrosion, making it ideal for boats, UTVs, and other outdoor applications.At the heart of the system is a highly efficient Class D topology, allowing the amplifier to generate significant power while maintaining a compact design and minimizing strain on your electrical system. The premium MOSFET Pulse Width Modulation power supply ensures consistent output, while MB Quart’s FLUID-FET output devices deliver clean, high-quality sound that rivals high-end home audio systems.The Q-Stasis preamplifier stage maximizes low-voltage input signals with minimal distortion, preserving audio detail and clarity. Variable electronic crossovers and onboard sound contouring features, including bass boost and adjustable input sensitivity, allow you to fine-tune your system for optimal performance.Built for convenience and reliability, the amplifier features waterproof connectors and prewired RCA inputs for secure, corrosion-resistant connections. Top-mounted controls are sealed for protection yet easily accessible for quick adjustments. LED system diagnostics provide real-time feedback for overload and short protection, ensuring your system stays safe and performing at its best.

Kenwood - 400W Class-D Bridgeable Multichannel Compact Marine Motorsports Amplifier with Variable Crossovers - Gray

Upgrade your sound system with this compact Kenwood Marine Motorsports 4-channel amplifier. It delivers 400W total power for crisp, clear tones, and the conformal-coated circuit board keeps out moisture and salt for safe use in both land and water vehicles. This compact Kenwood 4-channel amplifier is easy to install in tight spaces for added versatility.

KICKER - KEY 200W Multichannel Amplifier with High-Pass Crossover - Black

Turn it up to 11 with this KICKER four-channel amplifier. With 200W of raw power, this amplifier boosts the potential of OEM or aftermarket stereos for effortless incorporation. Acoustic correction provides concert-quality sound, while FIT2 technology ensures compatibility with nearly every stock or custom stereo system on the market. This KICKER four-channel amplifier supports the start/stop technology found in hybrids and other gas-savers, ensuring unimpeded enjoyment.

Pioneer - 4-Channel Class D Amplifier - Black

The Pioneer GM-DX874 four-channel amplifier will deliver up to 150 watts RMS to each of your front and rear speakers for powerful music. Highly efficient Class D technology keeps this powerful amp running as cool as it looks, and allows for a compact chassis that fits in a lot of out of the way spaces. The frequency response of this amplifier stretches up to 50,000 Hz, for Hi-Res Audio Certified playback. Pioneer uses high-grade electronic parts and gold-plated RCA connections to ensure maximum performance. Speaker-level inputs allow you to install this amp in a factory system with no RCA connections. The amplifier switches its input mode automatically when it detects the high-level signal, eliminating the need to run a turn-on lead to your receiver or fuse box. Built-in high- and low-pass filters let you adjust the sound for your vehicle's interior, whether you're driving speakers or subs.

Pros for MB Quart - Discus 4 Channel Marine Amplifier with Top Mounted Controls, 520 Watts - Black
There were no pros for this productSound Quality, Power, Size, Ease of use, InstallationSound Quality, Size, Power, Ease of use, DSPSound Quality, Power, Size, Installation Ease
Cons for MB Quart - Discus 4 Channel Marine Amplifier with Top Mounted Controls, 520 Watts - Black
There were no cons for this productHeatThere were no cons for this productHeat Dissipation

Specs

Reviews

This product doesn't have any reviews yet.

No content

Similar products from outside of Best Buy

sponsored
Ask BlueAI

Finance Options

My Best Buy® Credit Card
Choose a benefit:Or
Buy Now, Pay Later
4 payments starting at $88.19
Lease to own

Apply today with no credit needed and enjoy flexible payment options.