Item #1590079 Model #GKC-AD

BOSS GK Analog to Digital Converter Black


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Drive the next-generation BOSS Serial GK interface from a Roland GK-3 or GK-3B divided pickup.

The latest BOSS guitar synthesizer products feature the Serial GK digital interface, a newly developed connection method that delivers evolved performance over the analog 13-pin GK interface used in earlier BOSS and Roland guitar synth and modeling products. The GKC-AD GK converter allows you to drive the Serial GK input on the GM-800 guitar synthesizer from a Roland GK-3 or GK-3B divided pickup or an instrument equipped with a 13-pin GK output.
  • GK In connector: 13 pins DIN type
  • GK Out jack: 1/4" TRS phone type (for BGK cable only)
  • GUITAR Out jack: 1/4" phone type
  • USB port: USB Micro-B (program update only)
  • Current Draw: 240 mA
  • Power Supply: AC adaptor
  • Dimensions (WxDxH): 4-17/32" x 3-5/8" x 1-7/16"
  • Weight (excluding AC adaptor): 340 g, 12 oz.


  • Converts analog 13-pin GK pickup systems to the newly developed Serial GK digital interface 
  • 13-pin GK input and Serial GK output
  • Instrument output for passing normal guitar/bass pickup sounds embedded in the 13-pin connection
  • Compact and rugged metal design