Foot pedal format7 Amplifier and speaker models17 Effect models including looper and built-in tunerCan be used as an audio interface via USB cableControls: Amp Distortion Mod Delay Compressor Synth2 Footswitches with tap functionAUX input: 6.3 mm jackStereo outputs: 6.3 mm jack / L for mono3.5 Stereo headphone jackConnection for optional foot switch RC-%NBR%FUSB CVolume control for headphone connectionPower supply connection: Barrel plug 2.5 x 5.5 mm centre negativePower supply with a 9 V DC mains adapterBattery operation possible (3 AA batteries) or optional 9 V mains adapter Dimensions (L x W x H): 13.0 x 9.2 x 5.6 mm