Boss GM-800 Guitar & Bass Synthesizer Pedal

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