Boss Katana 100 Head MKII, Transistor Electric Guitar Amp Head, Power: 100 W, Built-in 5"" monitor speaker - for practising without an external cabinet, 5 Smp types: Clean, Crunch, Lead, Brown & Acoustic, 5 Independent effects: Booster, Mod, FX, Delay and Reverb - 3 of them can be used simultaneously, 8 Memory locations for amp and effect settings plus panel setting, Power Amp input for use with multi-effects units, Power control (0.5 / 50 / 100 watts) for full amp sound at any volume level, Built-in tilt stand for optimal monitoring, Channels: 4, Controls: Master, Presence, Amp Type, Gain, Volume, Bass, Middle, Treble, Booster, Mod, FX, Delay, Reverb, Switches: Power Control (Standby, 0.5 W, 50 W, 100 W), Cab Resonance (Vintage/Modern/Deep), Variation, Booster, Mod, Fx, Delay, Reverb, Tap, Ch1, Ch2, Ch3, Ch4, Panel, Stereo Expand, Loudspeaker outputs: 6.3 mm jack (min. 8 Ohm), Serial effects loop-in, Updated Boss Tone Studio software for sound customisation with over 60 different Boss effects, channel and global EQs, customisable routing and much more (free at Bosstonecentral.com), Dimensions (W x D x H): 470 x 228 x 215 mm, Weight: 8.8 kg, Matching Boss GA-FC footswitch: Art.#431181# (not included), Matching dust cover: Art.#438083# (not included in delivery)@+*Connections:*@+@+, Input: 6.3 mm jack, Power Amp In: 6.3 mm jack plug, Line Out: 6.3 mm jack, FX Send & Return: 2x 6.3 mm jack, Rec Out/Phones: stereo 6.3 mm jack, Exp Pedal/Ctl Ch1/Ch2 6.3 mm stereo jack, GA-FC: 6.3 mm stereo jack, Aux In: 3.5 mm stereo jack, USB B type, MIDI In