Sold by Seismic Audio Speakers Inc and ships from Amazon Fulfillment. 4.2 out of 5 stars 90. Integrated Class D amplifier. This item: Seismic Audio Mini-Tremor Powered 12-Inch Pro Audio/DJ Subwoofer Cabinet Active 12-Inch Subwoofer $257.49 Only 3 left in stock - order soon. £349.99 (£12.50/kg) or Best Offer. Free postage. Caliber BC112SA - Active 12 Inch Subwoofer - Built In Amplifier - 600 Watt. Click & Collect. High-performance powered subwoofer Built-in 150-watt amplifier Down-firing 12" long-throw driver Rigid, non-resonant cabinet design Rear panel controls: Auto Power On / Off, Phase On / Off, Volume, Crossover Frequency Connections: Line level in and line level out (L & R), gold-plated speaker binding posts (L & R) Bass driver: 12" Only 2 left. Lets you match the subwoofer's output to the rest of your sound system. 282 sold. FAST & FREE. Delivers authoritative bass for high-impact home theater audio. £519.00 Alibaba.com offers 3,695 active subwoofer 12 in products. SVS SB1000 Active Subwoofer - 12" inch Sub 300w BLACK Home Cinema Powered. FLI Trap 12TA Twin 2x 12" Active Subwoofer Box Amplifier Amp Sub Car Stereo Bass. New Edge EDB12A 12" Active Car Subwoofer Built in AMP Inc Wiring Kit. The only other connection option is that is available for a passive subwoofer is that if the passive subwoofer has in and out standard speaker connections, you can connect the left and right speaker connections on a receiver or amplifier to the passive subwoofer and then connect the left and right speaker output connections on the passive subwoofer to your main left and right front speakers. About 69% of these are speaker, 13% are professional audio, video & lighting, and 12% are subwoofers. The Kube unleashes explosive power intelligently thanks to iBX technology that extends bass depth dynamically. 12" active subwoofer. Delivering immersive music and home theatre sounds that drive you deeper into the heart of the performance. Volume control. 0 bids Ending 20 Sep at 2:46PM BST 9d 9h Collection in person. 12" Twin Active Amplified Double Bass Box Sub Car Subwoofer Amp Amplifier 3600W! Supplies 200W RMS power for high volume levels and minimal distortion. £0.99. 12-inch bass driver active subwoofer Discover sound’s hidden depths with KEF Kube subwoofers. A wide variety of active subwoofer 12 in options are available to you, such as home theatre, computer, and portable audio player. 5 out of 5 stars (7) 7 product ratings - SVS SB1000 Active Subwoofer - 12" inch Sub 300w BLACK Home Cinema Powered. ATC C1 Sub Mk2 12" Active Subwoofer RM 9,166.00 About Our Business Amazing service & expert audio video advice since 2001, we’re happy to answer your questions,matching components, or improvements for any hi-fi or home theater system. The Kube 12b features a 12" bass driver powered by a 300 watt RMS bespoke class … £119.99.