Check the listing for details. Klipsch ME-800C metal backbox for custom installation. Condition: New. Listed at 79.99 USD. Product highlightsmetal back-box enclosure for in-ceiling speakers with 8-inch woofers designed for pre-construction installation — not for retrofitting manufactured from high-grade cold-rolled steel and features a layer of insulation reduces sound leaking into adjoining rooms optimized enclosure volume provides consistent acoustic performance regardless of construction variations exceeds one-hour fire-rating requirements and meets UL2043 requirements for installation in plenum spaces tested to meet UL 263, ASTM E119-98, NFPA 251, UBC 7-1, and ULC CAN/ULC-S101 - M89 standards fits 16" stud spans includes hardware needed for any installation application and provisions for standard conduit connections pre-drilled holes simplify installation and ensure that all safety requirements are met speaker cut-out diameter: 9.8" overall dimensions: 18"W x 17-3/4"H x 5"D warranty: 60 days What's in the boxMetal in-wall speaker enclosure Insulation (installed inside of enclosure) Installation Wire-clamp Instructions About this itemWritten by Crutchfield's Dave Bar Enjoy better sound from your Klipsch 8" Reference Series in-ceiling speakers while protecting them at the same time with Klipsch's ME-800-C speaker enclosure. This sturdy pre-construction enclosure is designed to be mounted before drywall is hung. It's constructed from high-grade cold-rolled steel and filled with a layer of insulation, and it installs behind each speaker location to prevent sound from bleeding through. Plus, its optimized enclosure volume provides consistent acoustic performance for clear, crisp sound regardless of construction variations.