Controls:Style knobMix knobReverb knobTone buttonBypass/Engage Footswitch Construction:2-part die-cast metal, rubber adhesive feet I/O:1x XLR input1x XLR output, impedance balanced Impedance:Input: 3.1 kOhmsInput (guitar) 1M OhmsOutput: 200 Ohms Input Clip Sensitivity:-1 dBu Output Level (Full Scale):+7.5 dBu Signal to Noise Ratio:>114 dB (A-weighted) Frequency Response:20 Hz to 20 kHz, input to output, +0 / -0.3 dB Power Consumption:6 W Phantom Power:24 V, always on Power Supply:9 V, 300 mA (available separately) EMC:Complies with EN 55103-1 and EN 55103-2 FCC part 15, Class B, CISPR 22, Class B Safety:Certified to IEC 65, EN 60065, UL6500 and CSA IEC 65, EN 60065, UL6500 and CSA Operating Temperature:0 to 50 deg. C (32 to 122 deg. F) Storage Temperature:-30 to 70 deg. C (-22 to 158 deg. F) Humidity (Non-Condensing):Max 90% Dimensions (HxWxD):5.4 x 3.5 x 2.3' (13.72 x 8.89 x 5.84cm) Weight:0.9 lbs (0.41kg)