Amazon.com: JBL Professional Control 19CST 8-Inch Ceiling Subwoofers, with Transformer Taps, Sold as Pair,White : Everything Else
JBL Professional Control 19cst In-ceiling Subwoofer Pair for sale online | eBay
JBL Professional - JBL CONTROL 19CST 8" 200W In-Ceiling 70V/100V Installation Subwoofers, White (MUST BE PURCHASED IN PAIRS) - PSS Audiovisual Equipment
JBL Control 19CST 8" In-Ceiling Subwoofer with Transformer (Pair) | Sweetwater