Yamaha YXC8S - 8-Inch In-Ceiling Subwoofer for VXC Series (Black)VXC series S model ceiling subwoofers are ideal matches for VXS and VXC series speakers, smoothly extending the low frequency range with superb sonic quality for bigger, more true to life musical reproduction without spoiling interior design of architectures. Features: Sound and size ideally matched to the VXS and VXC series Band pass design ensures smooth, distortion free low frequency extension Direct support for low impedance or high impedance