Circuitry;                          Glass diode, back-to-back stack overdrive circuit
Bypass;                           True, hard-wired
Gain Control Range;       11 to 37 dB
EQ Controls;                    Bass: 90 Hz ±11 dB, Mid: 750 Hz ±11 dB, Treble: 2.1 kHz ±12dB
Impedance;                      Input: 470 kOhms, Output: 1 kOhm
Gain;                                Unity (0 dB) dry; off to +3 dB wet
THD;                                THD @ 10 mVrms Input @ 1 kHz with 12 dB of Gain: 0.045%
Max Output;                    Max Output Before Saturation: 0.6 Vrms
Power;                             9 V battery, External 9 to 18 VDC Adapter (center negative)
Current Consumption;    4.5 mA
Dimensions;                    2.6 x 4.9 x 1.4" / 6.6 x 12.4 x 3.6 cm
Weight;                           Without battery: 0.8 lb / 0.4 kg