1. Music Input: 1. Music Input: Lotus 1/2 Coaxial Fiber Optic L and U Disk & Bluetooth,HDMI four in one out ARC.

2. Subwoofer boost: 0%-100%. Music Transpose: Range:b1~b7,o,#1~#7.

3. music input pre-gain pre-adjustment, range:-10dB~+10dB;step:0.5dB. music input matching gain:0%-100%.

4. subwoofer singing & dancing, manual & automatic switching: threshold level -60 ~ 0dB, detection time 0S - 20S.

5. Microphone feedback suppression: OFF/1/2/3/4. 6.

6. microphone input: 4 microphone input interface A/B independent parameter adjustment: -10dB ~ +10dB; step: 0.5dB. microphone input volume: A/B: 0% ~ 100%.

7. Music and Mic Noise Gate: start level -90~30dB, start time 0.5ms~90ms, release time X2~X32.

8. Music Input, Mic Input, Output Limiter: Start Level -34 to 0dB, Start Time 0.5ms to 90ms, Release Time X2 to X32, Compression Ratio 1% to 100%.

9. Music microphone excitation: treble: resonance point 19.7Hz～20600Hz, harmonic quantity 0%～100%, tone quality 0%～100% bass: resonance point 19.7Hz～20600Hz, harmonic quantity 0%～100%, tone quality 0%～100%.

10. Music, Microphone, Echo, Reverb, Output, High-pass & Low-pass Filter: Bypass, 6dB 1st Order, 12dB Bessel, 12dB Butterworth, 12dB Bass, 12dB Bass, 12dB Bass, 12dB Butterworth, 12dB Butterworth, 12dB Butterworth.

12dB Butterworth, 12dB Link-Riley, 18dB Bessel, 18dB Butterworth.

24dB Bessel, 24dB Butterworth, 24dB Link-Riley, 36dB Bessel.

36dB Butterworth, 36dB Link-Riley.

11. Music 15-band, Mic 20-band, Echo 7-band, Reverb 7-band, Output Channel 10-band Parametric Equalizer: -24 to +12dB in 0.2dB steps, Q: 0.4 to 128 Type: BYPASS / PEQ / LS / HS .

12. Echo Effect Volume: 0% to 100%, Echo Direct Volume: 0% to 100%, Echo Pre Delay: 0 to 250ms, Echo Delay 0-Max 500ms, Echo Right Channel Pre Delay 0% to 50%, Echo Right Channel Delay -50% to 0% to 50%.

13. Reverb Effect Volume: 0%～100% Reverb Direct Volume: 0%～100% Reverb Pre Delay: 0～250ms, Reverb Delay:0～500ms.

14. Output Channels: Output Volume: 0% to 200% Music Volume: 0% to 200% Direct Sound Volume: 0% to 200%, Echo A Volume: 0% to 200%, Echo B Volume: 0% to 200%, Reverb Volume: 0% to 200% Phase +- are adjustable. Output delay: 0～150ms.

15. Output signal free switching: each output interface can be set in the software to output any one of the eight signals.

16. Sound field test: single-channel test, all tests, cycle test.

17. Copy parameters: Click the copy button of the current channel to copy the parameters of the current channel to any one of the channels.

18. Level Indicator: The computer interface has music input left/music input right/microphone input A/microphone input B/8-way outputs.

19. Using 32-bit high-performance high computing DSP, high signal-to-noise ratio professional ADC107dB, DAC112dB, the use of 24-bit / 48K pure digital sampling.

20 drive-free USB interface or wireless WIFI connection, real-time control of all parameters through the PC software, free and easy to control all the adjustments.

21. HD audio/video simultaneous input HDMI four in and one out.

22. 5.1 decoding output, input 7.1, 5.1, 2.0 audio formats can be output after the decoding of independent channels.

23. KTV mode and theater mode output channel parameters are independently adjusted. 24. working mode: class D amplifier working efficiency: 88%.