Andrew Jones designed 100 watts powered subwoofer with 8-inch driver and vented enclosure for extended bass. Nothing in this price category gives you a deeper appreciation for quality bass like the new SW-8MK2 subwoofer from Pioneer. Fire up your favourite movie, then buckle up, sit back and let its powerful 100-qatt amplifier bring you right into the experience with room-shaking, earth-quaking realism. Its vented enclosure means extended deep, clean, bass performance. Phase and frequency controls allow for customized set-up. High- and low-level inputs mean flexible installation.