The GRS 15PR-8 speaker is the best choice you can make if you need to replace a worn out, blown 15" woofer.
GRS 10PF-8 10" paper cone woofers are ideal replacement speakers for use in sealed-box loudspeaker systems in almost any application.
2.1 Studio Speaker System. Magnetiy Shielded Satellites. Base Reflex Subwoofer. 12W RMS/24W Peak Power. Accepted up to 15 days after receipt. If after that time, you need to the manufacturer for tech support/an exchange 866-890-7115.