IWTS-8e Sub/SA-380Experience the epitome of luxury audio with our flagship architectural in wall subwoofer bundle. This top tier package, featuring the IWTS 8eSUB, SA 380, and IN BOX 8eSUB, delivers THX Ultra certified bass performance that's completely invisible, fitting seamlessly into standard 2 x 4 or 2 x 6 studded walls. With this bundle, you're not just listening to sound you're immersing yourself in a world of audio excellence.