* The audio source has multiple inputs such as optical ﬁber, coaxial, USB, Bluetooth, line, microphone, etc.;
* Built-in DSP sound eﬀect processing. With functions such as delay, reverberation, echo, anti-howling (level 7), tone shift (level 10), and vocal excitation;
* The control function is realized through infrared remote control, coded switches, and buttons;
* Panel LCD screen intuitively displays of various functions and working status;
* Provide 3-channel RCA line inputs, 3-channel balanced microphone with phantom power inputs;
* With DSP processor, multiple preset scene modes;
* The volume of each microphone is independently adjustable, the eﬀect is adjustable, and the music volume is independently adjustable.Treble, Alto, Bass adjustment;
* Built-in RS485 communication central integrated control function.
* Support USB playback, support MP3, WAV, APE, FLAC and other lossless high-ﬁdelity music formats;
* With the soft start protection function of switch , with voltage limit, short circuit, overload, and overheat protection;
* Panel: Aluminum alloy material;
* Built-in 48V phantom switch control function;
* Support Bluetooth function. It can connect with mobile phones, computers and other devices;
* Each microphone input has a gain adjustment function, enabling the best match between microphone and the input state of the ampliﬁer;
* Support constant impedance and constant voltage (4Ω/100V) switching function.