DD-4480 Four Channel Digital Power Amplifier

SKU:
Q00019
Available:
In stock

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)