Roland GR-55S Black, Guitar Synth + Modelling, 910 Different, editable Roland synthesizer sounds of the newest generation, Piano, Strings, Wind instrument, Soundscapes, Vintage-Synths etc., Up to two sounds can be selected and combined, Complete modelling sound chain (guitar/bass/synth/effects/amps) from the VG-99 including virtual tuning pickup can be fed into the modelling chain, Two synth sounds can be combined with the modelling sounds - synth sounds can be fed into the modellin chain (e.g. blues-harp into distorted amp), 270 Preset-Sounds sorted by ""lead"", ""rhythm"" and ""others"", 297 programs for custom sounds, USB slot for connection of a USB-Memory device, Playback of audio files via foot switch, Control foot-Switch and expression pedal (assignable to a multitude of functions), 20-Second-Loop with an endless amount of overdubs, The GR-55 provides a USB-Interface for audio and MIDI, plus conventional MIDI-In/Out sockets, GK-Pickup - special pickup GK-3 (guitar) or GK-3B (bass) or GK-Ready Gitar/Bass is required (optionally available), Includs power adapter, Dimensions (W x H x D): 405 x 78-106 x 244 mm, Weight: 3.3 kg, Suitable optional case: Art.#266346# (not included)