Artículo usado, en perfecto estado 
Vibe and Rotary Speaker
Additional level pot compensates for volume losses
Lively, 3-dimensional vibe or rotary speaker effects
True bypass
Voice, Throb, Intensity, Rate, Level controls
Input and output 6.3 mm mono-jack
Noiseless relay-based soft-touch circuit
Footswitch works as a latching and momentary switch
Bypass footswitch
Status LED
Metal housing
Power supply via 9 or 18 V DC power supply (2.1 mm x 5.5 mm coaxial connector, polarity (-) inside, not included)
Dimensions (L x W x H): 117 x 64 x 57 mm
Power consumption: 35 mA
Handmade in USA
Note: Battery operation is not supported.