Deluxe Active Speaker for On-the-go Performance Venues, small bands, and DJs in need of a powerful portable speaker — the RCF NX 945-A is just what you're looking for. For starters, its 4-inch titanium/neodymium compression driver, 15-inch neodymium woofer, and 2-channel/2,100-watt amplifier combine to pack a serious punch of up to 135dB max SPL. And, thanks to the constant directivity from True Resistive Waveguide, your listeners will be treated to distortion-free sound over a 100-degree x 70-degree coverage area. Each NX 945-A mode features perfectly tuned proprietary FiRPHASE and Bass Motion Control DSP processing for exceptional audio clarity, an onboard soft limiter, and its durable wooden cabinet, which is easy to carry and secure using its dedicated rigging points. In sum, the NX 945-A blends pro performance, consistency, and portability.FiRPHASE technology provides zero degrees phase“Phase” is a four-letter word here at GearNuts, but the FiRPHASE technology inside the RCF