Amazon.com: Herdio 5.25 Inch Ceiling Speakers, 160W 2-Way in Wall Speaker, Square Flush Mount Speakers System for Home Theater, Living Room, Office : Electronics
6.5" Coaxial In-Ceiling Speaker White Edgeless Grille | AtlasIED
6W square ceiling speaker
Mr Steam Audio Speakers (Square)
Amazon.com: Pyle 5.25” Pair Bluetooth Flush Mount In-wall In-ceiling 2-Way Speaker System Quick Connections Changeable Round/Square Grill Polypropylene Cone & Polymer Tweeter Stereo Sound 150 Watt (PDICBT552RD) : Everything Else
KSI CSD Series 4 Fixed Directional Firing 2x2 Ceiling Speakers
KEF Ci130.2CS Square In-Ceiling Speaker (Single) at AV.com
5 Inch Full Range Square Hifi Ceiling Speaker 6w/3w 100v Abs Power Taps Home Theater System Music Stereo Sound Roof Loudspeaker - Speakers - AliExpress