Used QSC K SUB Powered Sub

Serious low-end impact starts here with this QSC K Sub from the acclaimed K Series. Designed to pair seamlessly with QSC powered tops, the K Sub delivers tight, controlled bass response in a compact and road-ready enclosure. Its dual 12 inch configuration and built-in amplification provide deep, punchy lows without sacrificing clarity, making it a strong foundation for live bands, DJs, and event production setups. This unit includes the mounting pole for easy top speaker integration.

The K Series became a staple in the live sound world for its reliability and balanced sound profile, and the K Sub carries that reputation forward with focused low-frequency reinforcement that stays musical instead of boomy. Built-in crossover settings and flexible connectivity make setup straightforward, whether you are running a small venue, mobile DJ rig, or rehearsal space PA. It adds weight and authority to your system while keeping the overall mix tight and defined.

This subwoofer has been thoroughly tested in-store to ensure it is functioning properly and ready for the next event. We buy, sell, and trade used gear every day, so if you are upgrading your PA or scaling your system, bring your equipment in and let’s work something out. Please review the listing photos carefully to understand its full condition, as minor cosmetic imperfections may not be specifically described here. Shipping is not available for this item. Local pickup only.