1: The panel has a 4.3-inch touch screen with Chinese and English menu functions. The working status is simple and easy to understand. 2: The debugging software can be wirelessly connected, controlled by buttons, and remotely controlled by computers, tablets, and mobile phones. 3: Audio source: optical fiber, coaxial, Bluetooth, MP3 (USB), IN1, IN2, MIC1, MIC2, MIC3 (with independent volume control) and other multi-channel audio source inputs.
4: Built-in DSP processing has delay, reverberation, mixing, anti-howling (4-band equalization), 3-band parametric equalization, and DSP pre-made 6 modes to choose from.
5: USB playback supports MP3\WAV\APE\FLAC and other formats
6: The power amplifier has power-on soft start protection, wire pressure protection, short circuit protection, overheating protection, midpoint drift protection, overcurrent protection, and other protection functions
7: With password lock function to prevent unprofessionals from misoperating
8: Support optional wireless microphone configuration 8Ω output power/single channel: 2X400W
4Ω output power/single channel :2X900W frequency response (1W, 80ohms) +1/-1dB 20Hz-20kHz 20Hz
Total harmonic distortion: 1KHz <0.05%
Signal-to-noise ratio S/N: >90dB (A-weighted)
Damping factor: >500
Separation: >85
MIC input sensitivity: 10mV MIC maximum input level: 500mV IN1 IN2 maximum input level: 5V
Input impedance: 20KΩ/unbalanced
Output category: Class AB
Audited Supplier 
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