Used Senal CSP-162 150W 6.5" Premium 2-Way Ceiling CSP-162 B&H
Multipurpose Area Sound System with 2 Premium Ceiling Tile Speakers and Rack Mount Bluetooth Mixer Amplifier– Pure Resonance Audio
Studio 2 8IC | Premium In-Ceiling Loudspeaker with 8” Woofer
5 Core Premium 6.5 Inch Ceiling Speaker 2 Way Outdoor Speaker Wired Waterproof in Ceiling/in Wall Mounted Indoor Outside Patio Backyard Surround Sound Home Exterior CL 6.5-12 2W - Walmart.com
Amazon.com: Polk Audio RC60i 2-Way Premium in-Ceiling 6.5" Round Speakers, Dual Pairs (8 Speakers) Perfect for Damp and Humid Indoor/Outdoor Placement (White, Paintable-Grille) (8 Speakers) : Electronics
Amazon.com: Herdio 5.25 Inch 300 Watts Ceiling Speakers Passive Wired, Premium Spring Loaded in Wall Speaker, for Home Theater Living Room Office(2 Speakers) : Electronics