PCB11600 Proficient Audio PCB-C600 Pre-construction Brackets for 6.5" 2-way, LCR, and Twin-tweeter Ceiling Speakers - Pair

CTB11601 Proficient Audio CTB-C600 Ceiling Tile Bracket for 6.5" 2-way, LCR and Twin-Tweeter Ceiling Speakers

PAS03600 Proficient Audio CPC-600 White Cover Plates for 6.5" 2-way, LCR, and Twin-tweeter Ceiling Speakers - Pair

PAS01603 Proficient Audio BB-C650 Metal Back Box for 6.5" Whole House Sound and Home Theater Ceiling Speakers

1001-11602 Proficient Audio Protege 6.5" Ceiling Replacement Speaker Grille for Whole House Sound and Home Theater Ceiling Speakers - Single Grille