The QSC K12 powered PA speaker could have you leaving your subs at home more often than not. The compact, lightweight K12 uses Class-D amplification and impressive DSP processing to put out tons of volume with stunning sound quality through the 12" low-frequency driver and 1.75" high-frequency driver. With a bass response that extends down to 48Hz, ultra-wide coverage angle, and flexible I/O with onboard mixing, the QSC K12 is among the best bang-for-the-buck active speakers on the market.