When it comes to a bass performance you can feel as well as hear, the SB-4000 is in a class of its own. Borrowing technology from SVS’s 16-Ultra reference-grade range, this breathtaking subwoofer is equipped with a ‘Sledge’ amplifier boasting a mighty 4000W peak delivery. Its long-throw, 13.5in driver – bolted inside a solid closed cabinet – is capable of unleashing pure dynamics even with the very lowest subsonic frequencies. SVS’s advanced DSP offers impeccable room correction with full parametric equalisation, letting the SB-4000 provide pinpoint LFE precision from any location, while all its settings can be easily altered via remote control or smartphone app. Offering maximum SPL, massive slam and an incredible low-frequency extension, this sub will shake, rattle and roll your home theatre.