Quick view Bose DesignMax DM8C Rough-In Kit - 6 Pack $139.95 Bose DesignMax DM8C Rough-In Kit - 6 Pack The Bose DesignMax DM8C Rough-In Kit 6 Pack is ideal for pre-construction mounting of DM8C-SUB and DM8C in-ceiling speakers, with six rough-in brackets included in the package Product... Compare Add to Cart