Switches : True Bypass footswitch, Harmonic/Classic Mode toggle switch
Led Indicators : Red, yellow, and blue bugles in the Maestro logo illuminate when the pedal is active
Signal Processing : All-Analog
Power Requirements : 9V battery or regulated 9VDC power supply (5.5 x 2.1 mm plug, wired center-negative)
Current Draw : 41.9 mA
Power On Switch : Incorporated into the input jack. Unplug the input when not in use to prevent battery drain. Remove the battery when the pedal is going to be stored for long periods to prevent leakage and damage.
Input Impedance : 320 kOhms
Output Impedance : 1 kOhm
Switching Type : True Bypass
Dimensions : 5.04″ x 3.45″ x 2.50″ (128.0 mm x 87.6 mm x 63.5 mm)
Weight : Net: 1.19 lb. (539.8 gm.) Gross: 1.56 lb. (707.6 gm.)