Specifications:

Input 1/4" TRS / Mono = Tip, Stereo = Tip & Ring
Out 1 1/4" TS Mono / Mono Output
Out 2 1/4" TS Mono / Stereo Output
EXP 1/4" TRS / Expression pedal, Aux Switch or MIDI I/O
Mono/Stereo Switch Sets Input to Mono (Tip) or Stereo (Tip + Ring)
Guitar/Line Level Switch Optimizes internal gain structure
Mini USB Software updates, MIDI I/O
DC Input Jack 5.5mm / 2.1mm plug / Center Negative (-)

Input Impedance 700k ohms Mono, 990k ohms Stereo
Max Input, Guitar +8dBu
Max Input, Line +14dBu
Output Impedance 220 ohms
Recommended Load Impedance 10k ohms

Power 9V DC @ 200mA / Center Negative (-)
Dimensions (product) 4" W x 4.25" D x 1.68" H / 102 mm x 108 mm x 43 mm
Weight (product) 1.06 lb / 0.48 kg
Dimensions (package) 7.7" W x 4.75" D x 2.8" H / 178 mm x 121 mm x 71 mm
Weight (package) 1.68 lb / .77 kg