Used Seismic Audio SAP-18S Unpowered Subwoofer

Power up your low end with this Used Seismic Audio SAP-18S unpowered subwoofer in good condition, delivering deep, punchy bass for live sound, DJs, and rehearsal spaces. Built around an 18-inch driver in a rugged cabinet, it’s designed to handle high-output performance when paired with the right external amplifier. Dual speaker input/output connections make integration into your existing PA simple, giving you bigger impact and tighter thump without added complexity.