The StudioLive(TM) 312AI is an active PA speaker system with a 12-inch ferrite woofer and an 8-inch midrange driver and 1.75-inch titanium compression driver that are configured in a unique coaxial design utilizing Temporal Equalization(TM) and Coaxial Speaker Coherence Alignment technology. Driven by 2,000 watts of triamped, Class D amplification, its Active Integration 32-bit, 96 kHz DSP gives this speaker studio-monitor accuracy and delivers wireless and wired control of all setup, tuning, and monitoring functions, using free SL Room Control software for Mac®, Windows®, and iPad® (coming Spring 2014). When combined with the StudioLive 18sAI subwoofer, it forms a true four-way system. This model is a great choice for venue owners who need high-quality speakers that offer enough coverage for normal bar needs and are powerful enough for a band or a karaoke night. Features include: · Unique coaxial design integrates a custom-designed, 8-inch, ferrite midrange driver and 1.75î titanium compression driver with Temporal Equalization(TM) and Coaxial Speaker Coherence Alignment · 12-inch, ferrite, low-frequency transducer · 2,000 watt, triamped, Class D amplification · Active Integration 32-bit, 96 kHz DSP with more processing power than three rack speaker processors · XMAX(TM) mic preamp with 12V phantom power