SVS Subwoofer SB4000 Sealed Subwoofer

delivers thrills action movie fans and audiophiles with staggering output and subterranean deep bass extension down to 19Hz with an amazing degree of subtlety and finesse. A high-excursion 13.5-inch driver and Sledge Class-D amplifier with Analog Devices most advanced audio DSP enables variable port tuning and unlocks a smartphone app with advanced DSP and custom presets for precise and convenient tuning.

The PB-4000 subwoofer driver delivers on the full potential of the Sledge STA-1200D amplifier’s immense power with precision and control to produce room energizing SPLs and effortless low frequency extension with pinpoint accuracy at all drive levels.

Rated conservatively at 1,200 watts RMS, and 4,000+ watts peak power, the PB-4000 Sledge STA-1200D amplifier uses an efficient Class D design combined with fully discrete MOSFET output and a sophisticated Analog Devices DSP engine. The result is a level of effortless power and advanced processing not available from any other powered subwoofer manufacturer.

Efficiency of a Class D amplifier with the ability to move massive amounts of current through the fully discrete MOSFETs enabling immense output and precise control for outstanding real-world subwoofer performance at all drive levels.

Most advanced digital processor ever used in a subwoofer maintains pinpoint accuracy and pristine sound quality through advanced in-room tuning, optimized frequency response curves, powerful DSP controls and more.

Freq. Response 19-310Hz ±3 dB

Dimension: 18.3" (H) 17.8" (W) 20.9" (D)

Innovative New Smartphone App for Subwoofer DSP and Control.

Compatible with Apple® and Android® platforms, the innovative SB4000-Ultra smartphone app unleashes the full depth, force and nuance of the world’s finest subwoofer. The groundbreaking SVS subwoofer app controls all DSP functions and conveniently stores custom presets. It’s the easiest way ever to fine tune bass surpassing 16Hz at reference volumes from the comfort of your favorite seat.

For added convenience, 2-way feedback shows updates in real time on both the app and subwoofer interface and Bluetooth connectivity allows adjustments to be made even when the subwoofer is not in sight. Control is also available via IR remote and an intuitive front panel display.