Used JBL LSR6312SP Subwoofer

Boost your studio’s low end with this Used JBL LSR6312SP powered subwoofer in Fair condition. Built for accurate monitoring, it features a 12-inch driver with a front-firing port and onboard amplification for tight, extended bass response. Balanced XLR inputs and outputs plus selectable crossover and level controls make integration with nearfield monitors quick and flexible. Expect solid performance and classic JBL punch—ideal for mixing, editing, and playback where reliable low-frequency detail matters.