The Boss 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 sound 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, colour 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!
Key Features
- Next-generation guitar and bass synthesizer with the newly-developed Serial GK interface.
- Advanced ZEN-Core sound engine derived from flagship Roland synthesizers, including the Jupiter-X and Fantom keyboards.
- 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 organise sounds on your computer with Boss Tone Studio.
- Download and share GM-800 Livesets at Boss Tone Exchange (for sharing on Boss Tone Exchange, Scenes in Livesets must be created using the internal GM-800 sounds).
Multifaceted Connectivity
The GM-800 features the newly-developed Serial GK digital interface, which supports guitar/bass input from a Boss GK-5 or GK-5B Divided Pickup and easy linking of multiple GM-800 units. GKC-AD and GKC-DA conversion boxes are also available for classic 13-pin GK devices, allowing you to drive the GM-800 with a Roland GK-3 or GK-3B pickup and use Serial GK devices with the Boss SY-1000 and GP-10.
Specifications
- Sound Generator: ZEN-Core
- Parts: 5 (Play Part: 4, Rhythm Part: 1)
- Scenes: 150
- Display: Graphic LCD 256 x 80 dots
- External Memory: USB Flash drive (Sold Separately)
- Power Supply: AC Adaptor (Included)
- Current Draw: 840 mA
Tones
- Preset Tone: 1,200 or Greater
- Preset Drum Kit: 70 or Greater
- Import Tone: 256
Effects
- Part Multi-Effects: 1 System (for Each Part), 93 Types
- Part EQ: 1 System (for Each Part)
- Reverb: 7 Types
- Chorus/Delay: 9 Types
- Scene MFX: 2 Systems (Serial or Parallel Selectable), 93 Types
- Master EQ/Comp
Controls
- SCENE DOWN Switch, SCENE UP Switch, CTL1–2 Switches
- PART1–4 Buttons, PART R Button, EXIT Button, WRITE Button, MENU Button, PAGE Buttons
- 1–4 Knobs, SELECT Knob, OUTPUT LEVEL Knob
Connectors
- GK IN Jack: 1/4-inch TRS Phone Type (for BGK Cable Only)
- GK OUT Jack: 1/4-inch TRS Phone Type (for BGK Cable Only)
- OUTPUT (L/PHONES) Jacks: 1/4-inch TRS Phone Type
- OUTPUT (R/MONO) Jacks: 1/4-inch Phone Type
- CTL3, 4/EXP1 Jack, CTL5, 6/EXP2 Jack: 1/4-inch TRS Phone Type
- USB COMPUTER Port: USB B Type (Supports High-Speed USB, USB Audio, and USB MIDI)
- USB MEMORY Port
- MIDI Connectors (IN, OUT)
- DC IN Jack
Weight & Dimensions
- Weight: 1.2 kg / 2.65 lbs
- Dimensions (W x D x H): 246 x 134 x 63 mm / 9.685 x 5.276 x 2.48 inches
Accessories (Included)
- AC Adaptor (PSB-1U & AC Cord Set)
- Quick Start Guide
- Leaflet (Using the Unit Safely)
- Rubber Feet (x4)
Options (Sold Separately)
- Divided Pickup: GK-5 (for Guitar), GK-5B (for Bass Guitar)
- Serial GK Cable: BGK-15, BGK-30
- GK Converter: GKC-DA, GKC-AD
- Footswitch: FS-5U, FS-5L, FS-6, FS-7
- Expression Pedal: EV-30, FV-500L, FV-500H, Roland EV-5
