For any external area where both speech and music reproduction is required these are weather and corrosion resistant (to IP53 IEC529) sound projectors of music and speech quality. Rated 20 watts RMS, 100 volt line taps at 20, 15, 10, 5 and 2.5 watts, plus direct 8 ohm connection. Frequency response 100Hz-20kHz. Sensitivity 90dB(A), at 1W, 1m. Dispersion 110°. Dimensions 269mm (length) ×174mm (diam.), case white plastic. Supplied with 'U' bracket and 1m captive cable. Weight 2.55kg.