Amazon.com: MyFunRound One Pair 6.5" 120 Watt 2-Way in-Ceiling Speakers with Pivoting 1" Titanium Dome Tweeters and Low Profile Magnetic Grilles : Electronics
POWER DYNAMICS - NCSP8 LOW PROFILE CEILING SPEAKER 8in 40W 100V WHITE | Stage One
Bogen PG8U Bright White Low Profile Ceiling Speaker Grille 13”
PS-C43RTLP Low Profile In-Ceiling Speaker
Electro Voice EVID-C4.2LP Ceiling Speaker 4" Low Profile - White – Pro Audio and Lighting
Ceiling Loudspeakers
SpeakerCraft AccuFit Ultra Slim One Round In-Ceiling ASM66431