Specifications
Controls:  Mode Button, Tuning Button, On/Off Pedal
Jacks:  Input,  Mute, Thru
Input Impedance:  >1 MΩ - tuner on
Input Impedance:  True hardwire bypass - tuner off
Power Supply:  9 V Alkaline Dry Battery or Harman power supply
Current Draw:  40 mA (typical at 9 VDC)
Power Consumption:  365 mW (typical w/optional power supply)
Dimensions:  5.25”(L) x 3.5”(W) x 2.15”(H)
Weight:  1.3 lbs.
Optional Power Supply:  Country (Voltage)  Compatible PSU Models
  Japan (100 VAC, 50/60 Hz):  PS200R-100 or PS0913DC-01*
  US and Canada (120 VAC, 60 Hz):  PS200R-120 or PS0913DC-01*
  Europe (230 VAC, 50 Hz):  PS200R-230 or PS0913DC-01*
  UK (240 VAC, 50 Hz):  PS200R-240 or PS0913DC-02*
  Australia (240 VAC, 50 Hz):  PS200R-240-AU or PS0913DC-02*
Power Supply Polarity: 
Power Supply Output:  PS200R (9.6 VDC 300 mA), PS0913DC* (9 VDC 1.3 A)
*Recommended power saving GreenEdge power supply models.