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    Diamond - DES400.2D - 2-CH 250WX2@2Ω,200WX2@4 FULL RANGE CLASS D

    by Diamond
    Original price $369.99 - Original price $369.99
    Original price $369.99
    $389.99
    $389.99 - $389.99
    Current price $389.99

    Specifications
    Type: 2-Channel Full-Range Class D Amplifier
    Series: Diamond Audio DES Series
    Class: D (Full-Range)
    Channels: 2
    RMS Power Output (14.4V):
    • 200W × 2 @ 4Ω
    • 250W × 2 @ 2Ω
    Bridged Power (RMS): 500W × 1 @ 4Ω
    Total RMS Power: 500W
    Peak Power Output: 1000W
    Frequency Response: 10Hz – 35kHz (±1dB)
    Signal-to-Noise Ratio: >90dB
    Input Sensitivity: 200mV – 6V
    THD (Total Harmonic Distortion): <0.05%
    Crossover Type: Variable High-Pass / Low-Pass Filters
    Crossover Range: 50Hz – 500Hz (Variable)
    Bass Boost: 0 – +12dB @ 45Hz
    Fuse Rating: 1 × 40A (External Fuse Recommended)
    Input Type: RCA (Low-Level) / High-Level with Auto Turn-On
    Cooling: Passive Thermal Management with Aluminum Heatsink
    Dimensions (L×W×H): 9.0" × 5.3" × 2.0" (229 × 135 × 51mm)
    Weight: 4.1 lbs
    Warranty: 1-Year Manufacturer Warranty

    Performance Specs
    • Compact 2-channel amplifier optimized for mids, highs, or bridged subwoofer operation.
    • Full-range Class D design offers high efficiency and reduced heat generation.
    • Clean, dynamic sound ideal for motorcycle, marine, or compact automotive applications.
    • Wide frequency response ensures precision across the entire audio spectrum.
    • Built to deliver reliability and consistent performance in high-vibration environments.

    Key Features
    • Full-Range Class D Design – Combines clean sound quality with superior efficiency.
    • Bridgeable Output – Can power a subwoofer or high-output midrange driver.
    • Variable Crossovers – Independently adjustable for precise system tuning.
    • Compact Size – Fits in tight installs like fairings, side panels, or seat compartments.
    • High-Level Inputs – Allows direct connection to OEM head units.
    • Thermal and Short Protection – Safeguards against overload or improper wiring.
    • Diamond Audio Build Quality – Tuned for clarity, punch, and reliability.

    Performance Integration Notes
    • Ideal Pairing: Diamond DES or DMD Series Speakers, or Single Subwoofer Setup.
    • System Compatibility: Motorcycle, Marine, UTV, and Automotive Systems.
    • Recommended Use: 2-channel stereo, bridged mono, or high-efficiency front stage power.
    • Installation Location: Compact chassis fits under seats, in side panels, or inside fairings.
    • Installation Time: Approx. 1–1.5 hours.
    • Pro Tip: When bridging for subwoofer use, set low-pass filter near 80Hz @ 12dB/oct and ensure a 4Ω bridged load for optimal stability.