BOSS VG-800 V-Guitar Modeling and Multi-Effects Processor
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Description
BOSS VG-800 V-Guitar Modeling and Multi-Effects Processor
The BOSS VG-800 V-Guitar processor combines next-generation instrument modeling, amp and effects processing, and the Serial GK divided-pickup interface for guitar and bass. It provides independent string processing, dedicated guitar and bass modes, alternate tunings, modeled instruments, synth-style sounds, and more than 150 effects in a compact floor-based processor.
With a compatible GK-5 or GK-5B divided pickup, the VG-800 can transform individual strings into electric guitars, acoustics, basses, synth textures, VIO sounds, and other modeled instruments. Dual Guitar and Dual Bass modes can layer two instruments or assign different sounds across selected strings, while harmony and individual-string bending expand performance possibilities beyond conventional effects processing.
The VG-800 also works as a complete amp and effects processor for standard guitar or bass pickups through its dedicated instrument input. Serial GK output supports expanded systems with devices such as the GM-800, while a stereo effects loop, USB-C multichannel audio/MIDI, TRS MIDI, external control inputs, BOSS Tone Studio editing, and guitar-to-MIDI functions support stage and studio workflows.
Key Features
- Next-Generation V-Guitar Processing: Uses independent divided-pickup string processing for detailed instrument modeling, alternate tuning, synthesis, and performance control.
- Dedicated Guitar and Bass Modes: Provides 150 memories for guitar and another 150 memories for bass with instrument-specific processing.
- Dual Instrument Modeling: Dual Guitar and Dual Bass modes can layer two modeled instruments or distribute different sounds across individual strings.
- More Than 150 Effects: Includes amplifier and effects processing derived from flagship BOSS guitar and bass processors.
- Serial GK Input and Output: Connects compatible divided pickups and can pass Serial GK signals to another compatible processor.
- Standard Instrument Input: Processes conventional guitar and bass pickups through the VG-800's amps and effects without requiring a divided pickup.
- Multichannel USB Audio/MIDI: Supports computer recording, individual signal capture, re-processing, and MIDI control through USB-C.
- Flexible Performance Control: Three onboard footswitches and two external control connections support footswitch and expression-pedal assignments.
Independent String Modeling with Serial GK
A compatible divided pickup captures each string separately and sends the signals through the Serial GK connection. This allows the VG-800 to process pitch, tuning, panning, instrument type, and other parameters on a string-by-string basis instead of treating the guitar or bass as a single combined signal.
Electric, Acoustic, Bass, VIO, and Synth Instruments
Guitar mode provides electric guitar, acoustic, Dual Guitar, electric bass, VIO Guitar, and synth instrument types. Bass mode offers electric bass, acoustic bass, Dual Bass, electric guitar, VIO Bass, and synth options. Modeled sounds include conventional stringed instruments plus textures inspired by instruments such as banjo, sitar, and the Roland GR-300 analog guitar synthesizer.
Alternate Tunings, Harmony, and String Bending
Each string can be retuned independently without physically changing string tension. Players can build alternate and down tunings, create harmony parts from single notes or chords, and assign individual-string pitch bends to a footswitch or expression pedal for pedal-steel, B-bender, and other performance effects.
Full Amp and Multi-Effects Processing
The VG-800 includes more than 150 effects and amplifier processing options. Effects can be applied to modeled sounds and the dedicated conventional guitar input, while the stereo-capable send and return connections allow external pedals or processors to be incorporated into the internal signal chain.
Standard Guitar and Bass Input
A conventional guitar or bass can connect directly to the 1/4" Guitar Input for access to the VG-800's amplifiers and effects. Instrument-modeling functions require a compatible Serial GK divided pickup, so the standard input provides a separate path for traditional pickup-based processing.
Multichannel USB Recording and Re-Processing
The USB-C audio and MIDI interface supports multichannel computer workflows. Users can capture the stereo mix, modeled instruments, direct conventional pickup signal, or individual unprocessed GK string signals. Recorded string signals can then be routed back through the VG-800 for later re-guitar or re-bass processing.
Serial GK System Expansion
The GK output can send the divided-pickup signal to another compatible Serial GK device, including a GM-800 or second VG-800. This supports expanded systems without requiring a second divided pickup and allows combined audio from connected Serial GK processors to remain within the digital workflow.
Technical Specifications
- Brand: BOSS
- Model: VG-800
- Product Type: V-Guitar Modeling and Multi-Effects Processor
- Compatible Instruments: Guitar and bass
- Sampling Frequency: 48 kHz
- Processing: 32-bit floating point
- Guitar Mode Memories: 150
- Bass Mode Memories: 150
- Guitar Mode Instrument Types: Electric guitar, acoustic, Dual Guitar, electric bass, VIO Guitar, synth
- Bass Mode Instrument Types: Electric bass, acoustic bass, Dual Bass, electric guitar, VIO Bass, synth
- Effects: More than 150 types
- Independent String Processing: Supported with compatible Serial GK divided pickup
- Alternate Tuning: Independent tuning adjustment for individual strings
- Harmony: Supported for single notes and chords
- Individual String Bend: Supported with assignable footswitch or expression-pedal control
- Guitar-to-MIDI: Supported
- Bass-to-MIDI: Supported
- USB Audio/MIDI Interface: Multichannel
- Computer Editor: BOSS Tone Studio for Windows and macOS
- Guitar Input Nominal Level: -10 dBu
- Guitar Input Maximum Level: +12 dBu
- Guitar Input Impedance: 1 Mohm
- Return Nominal Input Level: -10 dBu
- Return Maximum Input Level: +7 dBu
- Return Input Impedance: 1 Mohm
- Main Output Nominal Level: -10 dBu
- Main Output Maximum Level: +7 dBu
- Main Output Impedance: 44 ohms
- Recommended Main Output Load: 10 kohms or greater
- Recommended Headphone Load: 44 ohms or greater
- Send Nominal Output Level: -10 dBu
- Send Maximum Output Level: +7 dBu
- Send Output Impedance: 1 kohm
- Recommended Send Load: 10 kohms or greater
- Onboard Footswitches: Down, Up, CTL 1
- Panel Buttons: INST, Effects, Menu, Exit, Page
- Parameter Controls: Knobs 1-5, Select knob, Output Level knob
- Display: 256 x 80-dot graphic LCD
- GK Input: 1 x 1/4" TRS Serial GK for BGK cable
- GK Output: 1 x 1/4" TRS Serial GK for BGK cable
- Guitar Input: 1 x 1/4"
- Right/Mono Output: 1 x 1/4"
- Left/Headphones Output: 1 x 1/4" TRS
- Effects Send: 1 x 1/4" TRS
- Effects Return: 1 x 1/4" TRS
- External Control Connections: 2 x 1/4" TRS CTL/Expression jacks
- MIDI Input: 1 x 3.5mm TRS
- MIDI Output: 1 x 3.5mm TRS
- USB Computer Port: USB-C
- Power Connection: DC input
- Power Supply: Included AC adapter
- Current Draw: 690 mA
- Auto-Off Power Consumption: 0.1W
- Compatible Divided Pickups: BOSS GK-5 for guitar and GK-5B for bass, sold separately
- Compatible Serial GK Cables: BGK-3, BGK-15, BGK-30, sold separately
- Compatible GK Converters: GKC-DA and GKC-AD, sold separately
- Compatible Footswitches: FS-5U, FS-5L, FS-6, FS-7, sold separately
- Compatible Expression Pedals: EV-30, FV-500L, FV-500H, Roland EV-5, sold separately
- Compatible TRS/MIDI Cables: BMIDI-5-35, BMIDI-1-35, BMIDI-2-35, BCC-1-3535, BCC-2-3535, sold separately
- Dimensions Without Rubber Feet: 6.8" W x 5.4" D x 2.5" H
- Dimensions With Rubber Feet: 6.8" W x 5.4" D x 2.6" H
- Weight: 2.1 lb, excluding AC adapter
What's In the Box
- BOSS VG-800 V-Guitar Processor
- PSB-1U AC Adapter with AC Cord Set
- Quick Start Guide
- Read Me First Leaflet
- 4 Rubber Feet



