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DD-4480 4-Channel Digital Power Amplifier

SKU:Q00019
Product Description
Key Features High-capacity switching power amplifier Comprehensive protection: auto-limiting, short circuit, overload, over-temperature, and power-on delay Intelligent delay start system protects speakers from startup impact Dual-channel balanced input on rear panel Professional SPEAKON output connectors Standard 483mm rack-mount design Independent cooling systems for amplifier and power supply Advanced stepless fan speed control Lightweight 1U chassis for easy installation and transport Specifications Output Power: 8Ω/1kHz: 4×350W 4Ω/1kHz: 4×650W Frequency Response: 20Hz-20kHz (±3dB) THD: ≤1% (at 8Ω/350W) Input Sensitivity: +4dB (1.23V) Input Impedance: 10kΩ (Balanced) S/N Ratio: ≥80dB Connectors Input (CH1-2): XLR balanced Output (CH1-2): SPEAKON Power: Standard AC input Indicators Power ×1 (Green) Signal ×2 (Yellow) Peak ×2 (Red) Protection ×1 (Red) Power & Environment Voltage: AC110-120V 50/60Hz AC220-240V 50/60Hz (internal jumper selectable) 1/8 Power Consumption: 50W/80W/110W Operating Temp: 0-50℃ Humidity: ≤90%RH (non-condensing)