The C2048 is a 100V 10W IP66 rated weatherproof horn loudspeaker with transformer power tappings for 1.25W, 2.5W, 5W, 7.5W, and 10W and a DC blocking capacitor. Designed for indoor or outdoor installations, this speaker features marine grade stainless steel fixings & mounting bracket. Recommended for use in marine environments; ships, industrial plants and other harsh environmental applications.