OPTISOUNDAUTO8A-V2: Optisound Slimline 8 Inch Active Subwoofer. Slimline and Underseat applications. Amp and Wiring Kit included. These super slim bass enclosures are designed to fit in even the smallest of spaces whilst still having the big bass presence that people have come to expect from VIBE. Small, sleek and lightweight, these enclosures will fit into any available space, behind a seat, under seat or tucked away in your luggage compartment. The OptiSound enclosures are perfect for those looking to add bass to their system but want a stealth install or don’t have the space to spare for a large enclosure. Width 10.6 (270mm). Weight 4.66 kg. RMS Power 300 watts. Peak Power 900 watts. TurboPort labyrinth slot port.