The ME-800-C fire-rated speaker enclosure allows installers to meet building codes as well as diminish the undesirable transfer of sound from one room to the other. Designed for in-ceiling speakers with 8-inch woofers Manufactured from high-grade cold-rolled steel Exceeds the one-hour fire-rating requirements Fits 16- or 24-inch stud spans Designed to fit all Reference Series in-ceiling speakers with 8-inch woofers the ME-800-C allows residential contractors to meet building codes as well as diminish the undesirable transfer of sound from one room to the other.