JS Series Concert™ Bass JS2 Jackson’s JS Series Concert™ Bass models rock seismic sound, style and affordability. The 34”-scale, four-string Concert Bass JS2 features a lightweight and resonant poplar body, bolt-on maple neck with graphite reinforcement and scarf joint, and a 12”-16” compound radius amaranth fingerboard with 24 jumbo frets and pearloid sharkfin inlays. Dual Jackson high-output humbucking bass pickups create a monstrous low-end growl, while a Jackson HiMass™ bridge provides rock-solid stability, improved sustain and bolder tone. This thunderous bass is available in Satin Black and Snow White finishes with black hardware.