It has two built-in independent stereo effectors with independent sending bus and multiple effect types to select. It has a built-in U disk player, which supports real-time stereo recording and play function. As well as a built-in USB sound card, which supports real-time recording and play function connected with PC. Equipped with 3 programmable mute group buttons and 1 total effect mute group button. All I/O channels can support any free copy.

Supports unlimited number of user scene storage and invoking functions, and all scenes can be imported and exported via U disk. It has user-defined password protection function, which is effective for both local operation and mobile access