Technical Specs:

 

Input impedance -------------------->  1MΩ

Output impedance ------------------->  1kΩ

Gain range ------------------------->  2.3dB - 27dB

Power supply ----------------------->  9VDC, 2.1mm tip negative, 5mA

Switch ----------------------------->  True bypass

Dimensions ------------------------->  93x39x53mm (3.66x1.54x2.09")