jbl synthesis scl 8JBL Synthesis SCL 8 Compact ceiling speaker for home theater experiences The JBL Synthesis SCL 8 is a compact in ceiling speaker developed for home theaters where ceiling channels play a central role. It is suitable as a height, surround, or ceiling mounted LCR channel, giving you a solution that performs precisely even when placement is not directly above the listening position. With a compression driver, HDI horn, and an angled design, you get