Bowers & Wilkins CI600 Series 6" Dual Channel Stereo Surround In-Ceiling Speaker w/Aramid Fiber Midbass (Each) Paintable White CCM663SR - Best Buy
BIC America 100-Watt 6.5 in. Dual Voice Coil Stereo In-Ceiling Speaker MSR6D - The Home Depot
4.5 Inch Ceiling Speaker Hifi Stereo 10w Home Theater Sound System Background Music Moisture-proof 8ohm Loudspeaker Single Piece - Loudspeaker - AliExpress
Things to know about Ceiling Speakers | Smart Home Sounds
V6s Vanishing In-Ceiling Stereo Speaker | Polk Audio
6.5in In-Ceiling Speaker Dual Stereo, C Series (Each)
Amazon.com: Herdio 6.5 Inch Bluetooth Ceiling Speakers 320W 2-Way Flush Mount in Wall Amplifier Receiver Perfect for Home Theater Bathroom Living Room Kitchen Office (White, Pair) : Electronics
Sonance VP62R SST/SUR THIN-LINE SINGLE Visual Performance 6-1/2" 2-Way Single Stereo/Surround In-Ceiling Speaker (Each) Paintable White 93022 - Best Buy