PSI Audio SUB A125-M - Compact Studio Subwoofer (Red)With its exceptional acoustic design, the A125 M is equally suited to use as a mono subwoofer or LFE in surround sound applications or as a bass extension in a stereo system. Working in perfect unison with all speakers from our range, the A125 M offers all the power with outstanding accuracy. The perfect low end in your studio The low frequencies are where sound becomes tactile, engulfing listeners in a full body experience. And while sheer power can