Q-SYS NL-C4 network loudspeaker network ceiling-mount loudspeakerThe Q SYS NL C4 is a network PoE loudspeaker that delivers clear speech and music reproduction natively to Q SYS. The ceiling mount loudspeaker features a four inch, full range driver, and can be integrated into your space with a single Ethernet cable to reduce overall hardware footprint and lower system cost. As a native Q SYS Product, you can take advantage of the drag and drop integration and simple control capabilities offered by Q SYS.