Metal back box is suitable for IC8.5/DC8.5/CL8.5 speaker. It provides up to 10dB of sound suppression between surfaces. Install in ceiling bay between joists or in stud bays.
Compatible with IC8.5/DC8.5/CL8.5 speaker
Reduces vibration between surfaces
Provides up to 10dB of sound suppression between surfaces
Install in ceiling bay between joists or in stud bays