JBL Control 8SR Compact Sound Reinforcement Loudspeaker Sys -03918 (LOT OF 4) - True Heart Sound
JBL Control 24CTM - Two Way Vented Ceiling Speaker with 4" Woofer for 70/100V Audio - Authorized Dealer
Amazon.com: JBL Professional Control 24C 4-Inch Background/ForegroundCeiling Speaker, White, Sold as Pair : Electronics
JBL Control 24C 4" High Output Ceiling Speaker (Pair) | RK Audio
JBL CONTROL 14C/T-BK - 4" CO-AX CEILING SPKR (2 PER CTN), BLK Two-Way 100 mm (4 in) Co-axial Ceiling Loudspeaker. 100 mm (4 in) high output driver with polypropylene cone and butyl