SVS 2000 Pro Series SubwoofersComplete reimagining and massive performance upgrade for the most popular SVS subwoofers ever. From the innovative amplifier, enhanced driver and smartphone app control, never before has this level of performance and sophistication been available anywhere near the price. Astonishing low frequency output and deep bass extension with pinpoint accuracy. Reference subwoofer performance hits new lows again.All New High–Excursion 12–inch SVS Driver – Iron Fist Inside a Velvet Glove.All New 12–inch high–excursion SVS driver and dual ferrite magnet motor delivers massive low frequency output and deep bass extension below 20 Hz with crisp speed in transients and unerring accuracy.Sledge STA–550D DSP Amplifier – Massive Power with Precise Control.Conservatively rated at 550 watts RMS, 1,500+ watts peak power, the Sledge STA–550D amplifier maximizes the full potential of the 12–inch driver without compromise. The innovative design combines the efficiency of a Class D amplifier with the effortless, high–current output of a fully discrete MOSFET stage for outstanding real–world subwoofer performance. A sophisticated 50Mhz High Resolution Analog Devices DSP enables pristine sound quality through advanced in–room tuning, optimized frequency response curves, powerful DSP controls and more.SVS Subwoofer Smartphone App – Easiest Way Ever to Manage Subwoofer DSP and Control.The SVS subwoofer app is the most convenient way to control volume, access multiple DSP functions and program custom presets for one–touch tuning optimized for music, movies, gaming, and more.