SVS SB-3000 13" Sealed Subwoofer with Bluetooth App Control Groundbreaking performance for the price and for the size, this compact powerhouse delivers unrivaled slam, deep bass extension and amazing musicality from a cubed cabinet. With multiple innovations from the acclaimed SVS 4000 and 16-Ultra Series, the 3000 Series feature all-new driver and cabinet designs and groundbreaking Sledge amplifier technologies to demolish all performance benchmarks and bring reference caliber bass to more peop