Speakercraft BKT90681 Pre-Construction Speaker Brackets are optional and are intended for pre-drywall applications and provide a drywall cutout for Speakercraft 8 inch series of in-ceiling speakers.

The SpeakerCraft 8" Round Series InstaLLock Construction Bracket is designed for use with all All AIM8, AIM Wide, AIM8 DT, DT8 Zero, CRS8, 8.2BAS speaker models.