The GM-800 elevates guitar synthesis into a new age of natural playability and boundless creative range. Driven by the newly developed Serial GK interface, the advanced ZEN-Core engine unlocks any sound imaginable—from acoustic instruments to classic and modern synths—while high-performance DSP delivers tracking stability and expressive scope never before possible. Freely combine and edit Tones with the intuitive Scene workflow, color sounds with a huge selection of effects, and explore a universe of fresh content on Roland Cloud. Compact, streamlined, and ultra-versatile, the GM-800 infuses your guitar or bass with unlimited musical potential. Features Next-generation guitar and bass synthesizer with the newly developed Serial GK interface Advanced ZEN-Core sound engine derived from flagship Roland synthesizers Natural playing feel and solid tracking stability, realized through high-performance DSP Powerful Scene workflow with four Tones plus Rhythm Vast onboard sound library with over 1200 Tones and 70 Rhythm sounds Explore Sound Packs, Wave Expansions, legendary Roland instruments, and more on Roland Cloud Deep editing tools for each Tone, including sound parameters, sensitivity settings, and more 150 user-configurable Scenes, including 100 Scenes with professional ready-to-play sounds Over 90 total effect types available in each Scene Space-saving design flows into every setup, from pedalboard to desktop Serial GK expansion jack for connecting to another BOSS guitar synthesizer product Two external control jacks, each with support for up to two footswitches or an expression pedal USB audio/MIDI connectivity and standard MIDI I/O Guitar to MIDI function for playing external MIDI instruments via USB or a MIDI cable Also functions as a standalone synthesizer sound module for MIDI keyboard use or DAW sound expansion Edit Scenes and organize sounds on your computer with BOSS Tone Studio