The StudioLive(TM) 328AI is an active PA speaker system with dual, 8-inch, ferrite woofers and an 8-inch midrange drivers 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 quad-amped, Class D amplification, the 328AIís 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). This model delivers full-range, high-powered performance, yet is streamlined and compactó just right for the club that needs a compact PA with the frequency range, sound, and power of a large system. When combined with the StudioLive 18sAI subwoofer, it forms a true four-way system. 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 · Dual 8-inch, ferrite, low-frequency transducers · 2,000 watt, quad-amped, 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