8" Slot Vented Active Subwoofer Enclosure (2Ω) Upgrade your system with the Diamond Audio DESMB8A 8” Slot Vented Active Subwoofer Enclosure (2Ω), a compact yet powerful solution engineered for deep, controlled bass in tight spaces. Part of the premium Diamond Elite DES Series, this 8-inch active subwoofer enclosure combines precision craftsmanship with high-output performance for today’s demanding car audio systems. Designed with a slot-vented enclosure, the DESMB8A maximizes low-frequency effic