Subwoofer Amplifier Websites
Speaker City sells speakers, drivers, audiophile loud
Speaker City USA sells speakers, drivers, audiophile loud speakers, assembled or in kits, as well as crossover components, speaker building accessories and hardware for building and repairing high quality home theaters, pro and car audio speakers.
2,853,112 
$ 240.00
RBH Sound High-performance Audio
RBH Sound High-performance Audio, Loudspeakers, In-ceiling, In-wall, Tower, Bookshelf, Center Channels, Surround Speakers, Earphones, Headphones and Subwoofers
685,739 $ 960.00
Car Audio & Stereo - Car DVD players, stereos, subwoofers & amplifiers - Discount audio
All Audio Expo carries a full line of car audio and stereo products including car dvd players, car amplifiers, car video monitors, Home Audio, woofers and more .
7,050,230 $ 8.95