DSPPA DA-4250: 4x250W Ultra Thin Digital Amp, 70V

The DSPPA DA-4250 is a high-performance Class D digital amplifier designed for commercial and industrial public address applications. With a sleek 1U rack mount design, it delivers a powerful output of 4 x 250W, ensuring clear and reliable audio distribution across multiple channels.

Features

• Class D Technology: Provides high efficiency and low heat generation.
• 4 x 250W Output: Ideal for large venues requiring robust audio support.
• 70V/100V Output: Flexible speaker output options for various installations.
• Balanced and Unbalanced Inputs: Supports both types for versatile connectivity.
• Full Protection Mechanisms: Includes safeguards against clipping, short circuits, high temperature, and overload.
• Compact Design: Slim 1U form factor saves space in rack installations.
• Status Indicators: Visual indicators for power, signal, clipping, protection, and temperature.

Specifications

• Model: DA-4250
• Number of Channels: 4
• Rated Output Power per Channel: 250W
• Input Sensitivity: 775mVRMS (0dBV for balanced input), 100VRMS (100V unbalanced input)
• Signal-to-Noise Ratio (SNR): >80dB
• Input Impedance: 60K ohms (balanced), 20K ohms (priority), 100K ohms (100V unbalanced)
• Channel Separation: >70dB (1KHz)
• Frequency Response: 80Hz - 15kHz (±3dB)
• Total Harmonic Distortion (THD): <0.3% (1kHz)
• Power Supply: AC180-260V / 50-60Hz, DC24V (rated output power -3dB)
• Overall Dimensions (mm): 552 x 510 x 105
• Machine Dimensions (mm): 483 x 435 x 44 (not including legs)
• Gross Weight: 8 kg
• Net Weight: 7 kg