The SD12 subwoofer is ideal for both home theater & car audio environments and produces prodigious amounts of output with excellent sound quality. Designed to work great in sealed or vented/PR enclosures of reasonable box size, the SD12 is a price/performance leader among high performance subwoofers. CSS or Creative Sound Solutions is a Canadian DIY project headed by Robert Reimer and...
This is a nice Coby Hi Fi Subwoofer. It features Tone Control, Adjustable, and Active.