svs sb16-ultra 1500 watt dsp controlled 16" subwoofer (piano gloss black) svs one subwoofer to rule them all an unrelenting passion for awesome bass performance and engineering perfection guided every aspect of the sb16-ultra subwoofers design. groundbreaking technology rigorous design and extreme testing in real world and laboratory environments allowed svs to achieve massive output levels extreme low frequency extension near-perfect frequency response accuracy and pinpoint transient response. the culmination of all svs design advancements sb16-ultra represents the greatest leap forward in performance and innovation since the inception of subwoofers. massive new 16" svs ultra driver with unprecedented 8" edge wound voice coil when designing the biggest and most formidable driver ever used in an svs subwoofer it was of utmost importance to meet or exceed the same supreme standards of control and accuracy as every other subwoofer svs manufactures. one huge advancement that allows the sb16-ultra to handle the crushing force of a 16 driver is the 8 edge wound voice coil the largest ever deployed in a consumer subwoofer. this innovation ensures ultra-low distortion and pinpoint control at the highest drive levels resulting in incredible output and low frequency extension. by nature larger drivers are more difficult to control but the unprecedented voice coil design ensures accuracy in frequency response and speed in transients without ever sounding boomy. pushing the driver are four massive dedicated toroidal ferrite magnets that unleash a staggering 78mm peak to peak xmech excursion (65mm xmax) and the highest levels of motor force and palpable spls. the light and rigid 16 ultra driver cone consists of a premium fiberglass resin composite with optimal stiffness to mass ratio to maximize movement of air and sonic energy without ever distorting or losing control. stunningly powerful new sledge amplifier with fully discrete mosfet output conservatively rated at 1500 watts continuous 5000+ watts peak power the sb16-ultra sledge