1. Supports 8 microphone input channels + 2 stereo input channels, and 4 group output channels; 2. Supports Bluetooth, MP3 player, and USB recording functions; 3. Equipped with a Parametric Equalizer (PEQ) bypass switch; 4. Supports high/low impedance switching function; 5. Built-in 100 sets of DSP effects and a dual-track I/O sound card; 6. Supports High-Pass Filter (HPF, also known as low-cut) function, with a cutoff frequency of 75Hz and a slope of 18dB/Oct; 7. Level Indication: 12-segment LED lights; 8. Total Harmonic Distortion (THD): ＜0.005% @+4dBu; 9. Rack-mountable, with included rack mounting brackets; 10. DSP effects include reverb, delay, chorus, compression, etc., supporting one-key calling and parameter fine-tuning; 11. Bluetooth supports the A2DP protocol, enabling wireless playback of background music from mobile phones/tablets with a delay of less than 80ms; 12. The USB interface supports direct playback of MP3/WAV files from USB flash drives, and can record on-site mixes into WAV format for archiving; 13. Equipped with scene memory function, supporting storage/calling of up to 20 sets of user-defined settings; 14. Supports remote control and in-depth parameter editing via dedicated PC/Mac software (driver sold separately); 15. All input channels are equipped with independent Mute and PFL (Pre-Fade Listen) buttons to improve operational efficiency; 16. Operating temperature range: 0℃ ~ +40℃, suitable for fixed installation and mobile performances; 17. Complies with RoHS environmental directives and CE safety certification, ensuring product reliability and compliance.