This Package IncludesPB-2000 Pro 12" Ported Subwoofer (Premium Black Ash)SoundPath Subwoofer Isolation System (4-Pack)PB-2000 Pro 12" Ported SubwooferBreathtaking output and subterranean low frequency extension down to 16 Hz with astonishing detail and accuracy. PB-2000 Pro features all-new 12-inch high-excursion SVS driver and a Sledge STA-550D amplifier with fully discrete MOSFET output. Harnessing the massive power while ensuring unerring control and room-energizing bass response is a 50 MHz Analog Devices Audio DSP. PB-2000 Pro also features the SVS subwoofer smartphone app for convenient control of volume DSP functions custom presets and more.Features12" High-Excursion Driver For Deep Bass550W RMS / 1500W Peak Sledge Amplifier50MHz DSP For Precise ControlDual-Ported Design Reaches 16HzApp Control For Volume And TuningRigid Braced MDF CabinetInspired Subwoofer Engineering for Uncompromised Performance.The new SVS 2000 Pro Series features technology breakthroughs from the 16-Ultra Series 4000 Series and 3000 Series the most awarded subwoofers in existence. This technology joins with exclusive 2000 Pro Series innovations to set a new standard for subwoofer performance value. More people than ever can now enjoy room-shaking bass below the threshold of human hearing with unerring accuracy and control.Acoustically Inert Cabinet Tuned for Uncompromised SoundDouble-thick MDF and extensive internal bracing in the acoustically optimized SVS 2000 Pro Series cabinet designs produce a resonance-free environment that serves as a blank canvas for uncompromised subwoofer performance.SVS Subwoofer Smartphone AppGroundbreaking SVS Subwoofer Smartphone App is the easiest way ever to control your subwoofer's volume and manage custom presets for one-touch tuning for movies music and more. The app works with Apple iOS® and Android® devices to unleash the full force of the 2000 Pro Series subwoofers by controlling all DSP functions including: volume 3-band parametric EQ low