Jackson JS Series Concert Bass JS2 Amaranth, Satin BlackJacksons 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