- Boss GKC-DA GK Converter; Converts the newly developed Serial GK digital interface to analog 13-pin GK pickup systems; allows you to drive a 13-pin GK device such as the BOSS SY-1000 or GP-10 using the Serial GK output on a GK-5 or GK-5B Divided Pickup or the GM-800 Guitar Synthesizer; Instrument input for passing normal guitar/bass pickup sounds to the 13-pin output; Power Supply connector: Barrel Connector 5.5 x 2.1 mm, center negative; Current Draw:240 mA; powered by a DC Power Supply (included); Dimensions: (W x D x H): 115 x 92 x 36 mm (4,53" x 3,63" x 1,44"); Weight: 340 g (0,75 lbs)