Amazon.com: JBL Professional CSS8008 Commercial Series 5-Watt Ceiling Speaker, 8-Inch, White : Electronics
JBL CSS-BB8X6 8" BACKCAN (1 = 6 PCS) Pack of 6 pcs of 8" backcans for CSS8008 or CSS8018. Steel, zinc-plated, powder-coated, 4.8" (121 mm) deep, 5 knockouts (priced an sold as
JBL CSS8008 8 Inch Commercial Series Ceiling Speaker with High 96 dB Sensitivity - Each