The C170P is a powered version of the C170, which is based on the already popular C110, C120 and C130, which have a complete list of features that make them an extremely good value for fixed installations. The C170P, is a compact 100 watt powered loudspeaker enclosure made from ABS plastic with an 8-inch driver and 1-inch Mylar tweeter, and features 1/4 Inch input and output connectors for maximum versatility.