Adopted on roundback guitars
Function: 5 Band EQ with LCD tuner
Input impedance:20MΩ
Frequency Response:20Hz-20KHz
Control Range
   Bass: ±12dB at 60Hz
   Middle1: ±12dB at 450Hz
   Middle2: ±12dB at 1KHz
  Treble: ±12dB at 2.2KHz
  Presence: ±12dB at 10KHz
Master Volume
Automatic Low Batt-check LED
Balanced and Unbalanced output jack
LCD Tuner: Power, Note knob
Orange backlight for LCD