MB Quart Discus DA2-500.2D Compact Waterproof 500W 2-Channel Amplifier
Power your system with confidence using the MB Quart Discus DA2-500.2D, a compact, marine-grade Class D amplifier engineered for car, marine, and powersports applications. Delivering up to 500 watts of clean, efficient power, this amp combines rugged waterproof construction with precision sound control in a space-saving design.
Built for universal fitment, the DA2-500.2D is ideal for boats, UTVs, motorcycles, and custom installs where durability and performance matter most.
500 Watts of Efficient Class D Power
- 2 x 250W @ 2 Ohms
- 2 x 150W @ 4 Ohms
- 1 x 500W Bridged @ 4 Ohms
- Highly efficient Class D topology
- Robust MOSFET PWM power supply
The compact heatsink and heavy-duty thermal management system efficiently dissipate heat, allowing high output without straining your electrical system.
IP67 Waterproof & Dustproof Protection
- Fully potted internals for moisture resistance
- Waterproof connectors for secure signal transmission
- Corrosion-resistant construction
- Dustproof sealed design
Designed to meet or exceed IP67 standards, this amplifier is perfect for marine, powersports, and outdoor vehicle installations.
Precision Sound Control
- Variable High-Pass & Low-Pass Crossovers (15Hz–300Hz / 50Hz–300Hz)
- 12dB per octave electronic crossover
- Adjustable input sensitivity (0.2V–9V)
- Onboard bass contouring
- Top-mounted sealed control panel
The Q-Stasis low-noise preamplifier circuit ensures maximum signal integrity with minimal distortion, delivering clean, detailed sound even at high volume.
Advanced Output Technology
- MB Quart FLUID-FETS output devices for efficient power production
- Designed to mimic high-end home amplifier sound quality
- Heavy-duty MOSFET heat management
- RCA inputs prewired to PCB for added durability
Built-In Protection & Diagnostics
- LED system protection indicators
- Overload protection monitoring
- Speaker short protection
- 20A external fuse
Technical Specifications
-
Total Channels: 2
-
Max Power: 500 Watts
-
Frequency Response: 15Hz–300Hz
-
Power Terminals: 4 AWG (12V/GND)
-
Speaker Terminals: 12 AWG
-
IP Rating: IP67
-
Color: Black
-
Warranty: 1 Year
Whether you're building a marine audio system, upgrading your UTV sound system, or installing a compact car audio amplifier, the MB Quart Discus DA2-500.2D delivers waterproof durability, precision tuning, and powerful performance in a compact footprint.
Reliable. Efficient. Built to perform anywhere.
