The HPR122i offers performers and audio professionals the power, technology and legendary reliability of QSC amplification combined with the simplicity and convenience of a multipurpose powered loudspeaker system. Whether your application is vocal reinforcement, dance music, or full tilt rock and roll and whether your need is main PA, or stage monitor, suspended or pole mounted, the HPR122i is your solution. With 131 dB of maximum output the HPR122i outperforms molded plastic box systems without significant additional weight or cost. A 12" low-frequency woofer with 3" voice coil is powered by 400 watts of class H power. A neodymium magnet design provides ample motor strength for low end performance without adding unnecessary weight. The 1.4" diaphragm neodymium compression driver is powered by a 100 watt, class AB+B amplifier and is loaded on a 75º conical horn. It's the same high-frequency driver you'll find on the HPR153F 3-way loudspeaker system. QSC