Acoustic projector with power rating of 10 W (selectable to 5 and 2.5 W). 5" speaker. Frequency response of 130-15,000 Hz. Sensitivity 91 dB (1 W, 1 m and 1 kHz). Maximum sound pressure level 101 dB (10 W, 1 m and 1 kHz). Cylindrical enclosure. Dimensions 205 mm (length), 138 mm (mouth). Finishing in white ABS (RAL9016) with metallic grille and aluminium bracket. Suitable for indoor and outdoor.