Check the listing for details. Boss GK-5 Electric Guitar Divided Pickup System. Color: Black, Condition: New. Listed at 274.99 USD. Enjoy the Latest Guitar Synth Experience Driven by Roland's Serial GK interface, the BOSS GK-5 electric guitar divided pickup puts the company's most cutting-edge guitar synthesizer experience right in the palm of your hand. This pickup boasts a slick, stylish look that won't degrade your instrument's appearance. Moreover, its flat design attaches easily to modern guitars, and its space-saving Serial GK-format cable avoids the unnecessary bulk of previous designs. Here at Sweetwater, we're impressed with how stable and noise-free the GK-5's signal transmission is. Finally, the GK5 comes with an attachment holder, double-sided tape for easy installation, and an attachment plate explicitly designed for Les Paul-style instruments.