Pricing and availability
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Average Price: $770
High-end/Boutique
$150
$601+
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High-end
Price History
Based on price data from 6 merchants for "Boss GM-800 Guitar Synthesizer". Prices shown reflect NEW condition. Tracking began Apr 2, 2026.
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Description
Transform your guitar or bass into a limitless sonic powerhouse with the BOSS GM-800 Guitar Synthesizer. This cutting-edge pedal is driven by the advanced ZEN-Core sound engine, renowned for its use in Roland's flagship synthesizers. The GM-800 offers an impressive library of over 1,200 tones, ranging from lush acoustic pianos to iconic Roland synths like the JUPITER-8 and JUNO-106. Its high-performance DSP ensures a natural playing feel and rock-solid tracking, allowing you to express every nuance of your performance with precision.
The GM-800's intuitive Scene workflow lets you easily combine and edit tones, bringing your musical ideas to life. With Roland Cloud support, you can explore an ever-expanding universe of sounds and effects, tailored to inspire your creativity. The pedal is equipped with versatile connectivity options, including USB audio/MIDI and standard MIDI I/O, making it a seamless addition to both live and studio setups.
Compact and sleek, the GM-800 is designed to integrate effortlessly into any rig, whether on a pedalboard or a desktop. With four top-panel footswitches and two external control jacks, it offers extensive control for live performances. The GM-800 also supports the Serial GK interface, facilitating the connection of additional BOSS synthesizer units for expanded sonic possibilities. Whether you're performing on stage or crafting tracks in the studio, the GM-800 delivers unmatched versatility and depth.
Key Features:
- Next-generation guitar and bass synthesizer with the Serial GK interface
- Advanced ZEN-Core sound engine with over 1,200 onboard sounds
- Natural playing feel and rock-solid tracking via high-performance DSP
- Powerful Scene workflow with four Tones plus Rhythm
- USB audio/MIDI connectivity and standard MIDI I/O
- Compatible with BOSS Tone Studio for detailed sound editing
- Supports Roland Cloud for access to additional Sound Packs and Wave Expansions
- Includes four top-panel footswitches and two external control jacks
- Functions as a standalone synthesizer and a MIDI sound module
Owner's manual
Boss GM-800 Guitar Synthesizer User ManualProduct specs
| Available since | July 2023 |
FAQs
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What kind of connectivity options does the Boss GM-800 Guitar Synthesizer offer?
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The Boss GM-800 provides versatile connectivity, including MIDI, USB, and standard 1/4-inch guitar inputs, allowing integration with various setups and DAWs for seamless performance and recording.
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Can the Boss GM-800 Guitar Synthesizer be used with any electric guitar?
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Yes, the Boss GM-800 is designed to work with any electric guitar, though optimal performance is achieved using the compatible GK pickup system for precise tracking and sound generation.
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What are the standout features of the Boss GM-800 Guitar Synthesizer's sound engine?
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The GM-800 features a dynamic sound engine with four Tone parts and a Rhythm part, offering a wide range of synth parameters, alternate tunings, and string assignments for extensive sound shaping.
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Is the Boss GM-800 Guitar Synthesizer suitable for live performances?
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Yes, the Boss GM-800 is well-suited for live performances, offering quick access to sound changes and robust connectivity options, ensuring reliable integration into live setups.
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Does the Boss GM-800 Guitar Synthesizer require a specific power supply?
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The Boss GM-800 typically requires a standard DC power supply, commonly used with many guitar pedals and synths, ensuring easy integration into existing pedalboard setups.
Videos
Cyberattack
Boss GM-800 Guitar Synth: How to Be Advanced
Reviews
PROS
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Offers around 1500 different sounds
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Includes 100 presets and 100 extra memory slots
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Can layer 4 different sounds at once
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Allows splitting of strings per sound by string and fret
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Great tracking speed and accuracy
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Major update to the synth section with high-quality programs
CONS
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Requires additional components or a new GK pickup for use
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No wireless GK pickup or touch screen features
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Lacks Bluetooth connectivity
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Some users experience significant latency, especially bass players
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Potential mistracking issues with the GK5 system
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Presets primarily focused on keyboard sounds, less on guitar performance
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Missing GR300 style sounds and COSM modeled stringed instruments found in previous models
Critic Reviews
5.0 out of 5
Based on 0 Reviews and 2 Ratings
Artist usage
Add artist
In the video titled "Steve Vai | What's on Your Pedalboard, Beat Edition" by Sweetwater, Steve Vai confirms using the Boss GM-800 Guitar Synthesizer at the 4:46 mark. He further showcases this pedal at the 6:18 mark.
[I use the GM-800] more like a sampler
Genre Usage
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Used With
Based on how musicians on Equipboard use Boss GM-800 Guitar Synthesizer, it is most commonly used with the following gear.
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