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400W four-channel digital power amplifier


  400W four-channel digital power amplifier

product features:
●Class-D topology architecture and integrated switching power supply design, lightweight.
●It has a high-efficiency power conversion circuit, strong power output, low power consumption, and is green and environmentally friendly.
●Precise gain control on the front panel, with working signal lights for power, signal, protection and wave elimination.
●Unique fully automatic protection circuit design for each channel, with protection functions including DC, overheating, overload and amplitude limiting.
●Automatic variable frequency cooling fan, the greater the power used, the higher the speed, high reliability operation and use.
●The machine's lightweight and powerful power output allow the product to be used in more fields.
●Adopt balanced XLR input interface and professional SPEAKON output interface.
●The rear toggle switch is used to select stereo, bridge or mono working mode.
Technical Parameters:
8Ω stereo (output) power: 4x400W
4Ω stereo (output) power: 4x750W
8Ω bridge (output) power: 2x1200W
Frequency response: 20Hz~20KHz (±0.5%)
Total harmonic distortion (8Ω/1KHz): <0.5% (20Hz~20KHz)
Input impedance: balanced 20K/unbalanced 10K
Input sensitivity: 0.77V, 1 V, 1.4V
Signal-to-noise ratio: >100dB
Separation: >70dB
Damping coefficient: >300dB
Output stage: Class D
Protection: short circuit, DC output, overload, low voltage
Power on delay: 4S
Input: XLR female
Dimensions/(width x height x depth): 482X44 X355mm



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