Monolith M-iwsub8 8in In-wall Subwoofer | Passive, Paintable Grille, Easy Install, Adds Powerful Bass To In Wall Or In Ceiling Home Theater System : Target
Sonance R10SUB Reference Series 10" Passive In-Wall Subwoofer (Each) - In Box | eBay
IW28S In-Wall Subwoofer - M&K Sound® | Official Site
TS1000 Flush Mount Passive 10" Home Theater In Wall Subwoofers 4 Sub Set - Goldwood.com
IWS-88 Dual 8" In-Wall Subwoofer | OSD Audio
Subwoofers
Phase IW-100 In-wall subwoofer with vented enclosure (each) Phase IW-100 In-wall subwoofer with vented enclosure (each) - - It's Free! : New Audio & Video, New Electronics at Lowest Prices!