Boss GT-1 Multi Effects Processor - Black - Excellent Condition
1 knob, 2 knob, 3 knob. Specs from Boss as follows Nominal Input Level. Maximum Input Level. INPUT: -10 dBu, AUX IN: -20 dBu. INPUT: +7 dBu, AUX IN: 0 dBu. Input Impedance. INPUT: 1 M ohm, AUX IN: 27 k ohms.