Features:4bands EQ with LCD Tuner
Input Impendance:2.2MΩ
Frequency Response: 20Hz~20KHz
Power Supply:9V batery
Battary life:
   Only EQ,Tuner off: Over 700 Hours
   Tuner On with signal: Over 300 Hours
Tuner Function:
   Mode:Auto & Manual Tuning Mode
   Tuning Note:Chromatic Mode/Guitar Mode
Function:
   LCD Tuner System
   Chromatic & Guitar or Bass tuning mode
   Balance & Unbalance Output Jack
Control Range:
   Bass: +/-12dB at 60Hz
   Middle: +/-12dB at 500Hz
   Treble: +/-12dB at 3KHz
   Presence: +/-12dB at 10KHz
Pick-up:OMEGA-11( Piezo cable pick-up)
Dimensions: W58mm*L98mm (WxL)