The GR-55 offers triple tone generation from two PCM synthesizers (with more than 900 sounds from the latest Roland synthesizer technology) and a sound chain with COSM guitar/bass/synth/amp modeling (from the VG-99, included switch at the push of a button). Thanks to years of research, the GR-55 has the absolutely fastest and most reliable tone detection for the synth sounds, the modeling sounds have always been completely lag-free! In addition to inexhaustible sound combinations, the GR-55 offers other groundbreaking features: playing audio data from a USB stick (by foot control, ideal for playback), two multi-effects processors, 20-second looper on board, USB interface for audio and MIDI, extremely simple operation with "Easy Edit" function and extra large display. FURTHER EQUIPMEN.
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