The Jamo fire rated back box FRB6 is designed to fit Jamo in-wall speakers with 6.5-inch woofers.

　　The fire rated back box allows installers to meet building codes as well as diminish the transfer of sound from one room to another. Each back box comes with a standard conduit connector. Pre-drilled holes simplify the installation process.

　　Every Jamo back box exceeds the one-hour fire rating specifications and meet UL2043 requirements for installation into plenum spaces. This device has been tested to meet UL 263, ASTM E119-98, NFPA 251, UBC 7-1 and ULC CAN/ULC-S101 – M 89 standards.

　　Fits: IW 606, IW 406, 660CS, I/O 660A