[1pc]

Tips: Chip Model PCB. is TM2313. TM2313 and PT2313 work functions, performance, and drivers are exactly the same.
TM2313 and PT2313 default sending,

Ultra Small Size: 15.0 x 25.9 ft (38 x 66
1: Single knob adjustment, just drill the holes and save time and beauty.
2:Support 3 audio source inputs, one of 3, can be used as a signal replacement plate.
3: Using the digital control knob, it greatly reduces the interference sound using traditional potentiometers, and the signal to noise ratio is comparable to that of regular toneboards. The extension part of the knob can lead to 3.3 ft (1 m) and will not be effective.
4:The parameters adjusted by the knob will be remembered automatically.
5: Tri-Color. Indicates the different input channels that have been guided.
Adjustment Method:
1 click guided slow flashing --- Base adjustment
Double tap, guided and flashing immediately - > treble adjustment
Triple Click, Lead Flash------ "Channel Selection
3 input channels support different led color: red - orange - green
5S operation automatically returns to main volume adjustment
Press 1. 5S LED. Flash - "Re-Power On----" Parameter Set