All the sound you need, and without spending a bundle! The GRS 6PF-8 paper cone 6" woofer is the answer to your replacement speaker needs.
Optoma DK-SW50 50W Subwoofer. This Dolcen Kreiling 50W subwoofer is the perfect compliment to your home theater system. Featuring Digital Dynamic Bass Boost and up to 200 Hz response bandwidth, this subwoofer takes audio to another level.
The GRS 15PR-8 speaker is the best choice you can make if you need to replace a worn out, blown 15" woofer.