1. Increase the volume without colored sound.
2. Built-in two-band EQ control high and low frequency separately.
3. Directly access to the hardware design.
4. Powered by AC adapter.
5. BASS low frequency knob: Control the low frequency. Turn clockwise to increase the low frequency; turn the knob anticlockwise to decrease the low frequency.
6. DRIVE overload knob: Adjust the distortion effect. Turn clockwise to increase distortion; turn counterclockwise
Turn to reduce distortion.
7. TREBLE high-frequency knob: Control the treble volume. Turn clockwise to increase the high frequency turn counterclockwise to decrease the high frequency