BOSS GK-5/GK-5B Divided Pickup - For Electric Guitar
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Description
BOSS GK-5/GK-5B Divided Pickup for Electric Guitar or Bass
The BOSS GK-5/GK-5B divided pickup system connects compatible steel-stringed electric guitars or electric basses to the BOSS GM-800 Guitar Synthesizer ecosystem. Choose the GK-5 for electric guitar or the GK-5B for electric bass; both use a compact divided pickup, separate control body, 1/4" TRS output, and drill-free mounting hardware.
Designed for players who want to expand a conventional instrument with synthesized and digitally generated sounds, these pickups route the instrument signal through a compatible BKG-15 or BKG-30 TRS cable. The connection can feed a GKC-AD conversion box or connect directly to the GK input on a GM-800, depending on the system configuration.
Both variants share the same compact controller dimensions and pickup dimensions, making them practical additions to instruments where permanent modification is undesirable. The supplied mounting-parts set allows installation without drilling into the guitar or bass. The principal variant difference is instrument type: GK-5 is designed for electric guitar, while GK-5B is designed for electric bass.
Key Features
- Two Instrument Variants: Choose the GK-5 for steel-stringed electric guitars or the GK-5B for steel-stringed electric basses.
- Divided Pickup Design: Captures the instrument for use with compatible BOSS guitar-synthesizer workflows.
- GM-800 Compatibility: Designed to deliver instrument signals to the BOSS GM-800 Guitar Synthesizer system.
- 1/4" TRS Output: Uses a standard-format TRS connection instead of the larger legacy divided-pickup connector format.
- Direct GK Connection: Can connect to the GK input of a compatible GM-800 using the appropriate BKG-series cable.
- GKC-AD Integration: Supports connection through a compatible GKC-AD conversion box when required by the system.
- Drill-Free Installation: Includes mounting components that allow the pickup system to attach without drilling into the instrument.
- Compact Hardware: Separate pickup and control body keep the installed system relatively unobtrusive on the instrument.
Electric Guitar and Bass Variants
- GK-5: Divided pickup designed for steel-stringed electric guitars.
- GK-5B: Divided pickup designed for steel-stringed electric basses.
Designed for the GM-800 Guitar Synthesizer
The GK-5 family provides the instrument-side pickup hardware required to send a compatible guitar or bass signal into the GM-800 Guitar Synthesizer. This allows players to access synthesized and digitally generated sounds from their existing instrument rather than changing to a dedicated controller.
1/4" TRS Connectivity
Both models provide a 1/4" TRS phone output. The source specifies compatibility with BKG-15 and BKG-30 1/4" TRS cables, which are sold separately. The cable can run to a GKC-AD box or directly to the GM-800's GK input according to the chosen system configuration.
Non-Permanent Instrument Installation
A mounting-parts set is supplied with each variant so the pickup can be attached without drilling into the instrument. This makes the GK-5 and GK-5B useful for players who want to add divided-pickup functionality while avoiding permanent body modifications.
Technical Specifications
- Brand: BOSS
- Product Family: GK-5
- Available Variants: GK-5 Electric Guitar, GK-5B Electric Bass
- GK-5 Model: GK-5
- GK-5B Model: GK-5B
- Product Type: Divided Instrument Pickup
- GK-5 Instrument Type: Steel-stringed electric guitar
- GK-5B Instrument Type: Steel-stringed electric bass
- Compatible Synthesizer: BOSS GM-800 Guitar Synthesizer
- Compatible Conversion Box: BOSS GKC-AD
- Compatible Cables: BKG-15 or BKG-30, sold separately
- Output Connector: 1/4" TRS phone output
- Installation: Mounting parts supplied; drilling not required
- Control Body Dimensions: 1.4" W x 0.6" H x 2.8" D
- Pickup Dimensions: 4" W x 0.3" H x 0.3" D
- Control Body Weight: Approximately 0.1 lb
- GK-5 Pickup Weight: Less than 0.1 lb
- GK-5B Pickup Weight: Less than 0.1 lb
What's In the Box
- BOSS GK-5 or GK-5B divided pickup, according to selected variant
- Mounting Parts Set

