Portable, battery-powered guitar multi-effect floor processor that features variety of effects, easy knob-based analog interface and BOSS’s MDP technology for MDP pedal sounds. Its COSM preamp section is derived from the well-known GT-100 processor. Device provides 8 simultaneous effects categories with multiple effects types; 8 multi-function foot-switches and expression pedal; and dedicated knobs for each parameter. Delay section includes Phrase Loop function that offers 38 seconds of recording time. Other features are dial-up tones, switch for manual mode for stompbox-style, or Memory mode for switching complete patch setups. Processor has built-in USB audio/MIDI interface, and features free BOSS TONE STUDIO software that provides even more tonal possibilities and allows organizing sounds on the computer. Processor can be powered by six AA batteries or PSA-series AC adapter (not included). Dimensions: 447 x 231 x 70 mm (maximum height 91 mm). Weight: 3.6 kg.