Klipsch ME-800-C Speaker Enclosure for Reference Series In-Ceiling Speakers with 8" Woofers 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. The ME-800-C is manufactured from high-grade cold-rolled steel and features a layer of insulation. It exceeds the one-hour fire-rating requirements and is designed to meet UL2043 requirements for installation in plenum spaces. This metal device has also been tested to meet UL 263 ASTM E119-98 NFPA 251 UBC 7-1 and ULC CAN/ULC-S101 - M89 standards. The ME-800-C fits 16- or 24-inch stud spans. It also comes with all of the hardware needed for most installation applications and provisions for standard conduit connections. Pre-drilled holes simplify the installation process and ensure that all safety requirements are met.