Model:A-7812A,12 inch,

Features: 5 equalizer, microphone first function, input selection, Bluetooth function, TF function, USB function, recording playback, 6 sound card scene sound effects, microphone independent treble, bass, reverb adjustment, music treble, bass adjustment, guitar input, guitar volume control.

Have output function, ACDC12V, ac-110-240v, bass 12 size.

Battery: 4.5a, microphone: 2 metal microphones with variable frequency wireless display