JBL Stage 800BA Slot-Port Enclosure - Active Car Subwoofer with built in Harman Kardon Class D amplifier with 100 Watt RMS and 8" JBL Sub Woofer : Amazon.co.uk: Electronics & Photo
JBL STAGE 800BA - 8" Ported Powered Active Car Subwoofer 200W Amplified System | eBay