1723 Subwoofer 1V is a vented, high performance, single driver subwoofer. Subwoofer 1V sets a new standard in its class with insane performance for bass-heavy music tracks or movies. The enclosure can be sealed, transforming this brute from a force of nature to a more nuanced and tighter sounding musical performer like 1723 Subwoofer 1S. Only bigger and more powerful. Utilising a single 13.8” driver and our smart Avalanche 800 IQ amplifier boasting 800W of undistorted power that offers ample adjustability for any setup