BIG BASS, SMALL FOOTPRINT The Flexus 12" subwoofer packs a lot of punch per square inch thanks to careful Klipsch engineering. Enjoy powerful bass with plenty of depth and musicality without latency. POWERED BY ONKYO Klipsch teamed up with Onkyo, combining their decades of proven manufacturing and tech prowess with our classic Klipsch acoustics, to ensure your home entertainment system is as epic in audio quality as it is in reliability. QUICK, CONVENIENT CONNECTION Klipsch transport technology built into every Flexus product means your whole home entertainment ecosystem functions fast and efficiently. Setup is simple, latency is low and booming bass is only a cord away. Award-winning The Klipsch Flexus Sound System has been raking in the awards. Check out the hype from CES, AVS Forum's Top Choice 2025 Award, and as seen on Rolling Stone. You're in control With the Klipsch Connect Plus app, access:

EQ presets or your own custom EQ mix


Night Mode


Dialogue Boost


Volume control


And more to come

BETTER TOGETHER Two subs are better than one. As your tastes and square footage grow, so do the demands you'll have for deep, powerful bass. By having two identical Flexus 12" Subwoofers, you'll smooth out the peaks and nulls typically experienced by a single subwoofer arrangement. EPIC EXPANSION Ready to upgrade? Enjoy lightning-quick connections across multiple channels with Klipsch transport technology with a Flexus Core sound bar and Flexus Surrounds.