Moulded ABS weatherproof horn speakers with EN54-24 fire rating. Low impedance (8 Ohm) or 100V operation with switchable volume tappings (70V settings also included). Hard-wired with a fire-resistant cable and junction box, fitted with a ceramic screw terminal block and thermal fuse. Surface mounting via a powder-coated steel adjustable U-bracket. Designed for voice announcements and alerts in commercial PA installations.Construction[tab]5VB fire-rated ABS housing, powder-coated steel bracket[br]IP rating[tab]IP66[br]Fire rating[tab]EN54-24 certified[br]Circuit protection[tab]Thermal fuse[br]Connection[tab]Hard-wired fire-resistant cable, ceramic terminal blockPower rms : 8 Ohms[tab]30W[br]Tappings[tab]3.8W, 7.5W, 15W, 30W (100V) & 8 Ohms[br]SPL @ 1W/1m[tab]113dB[br]Frequency response[tab]300Hz - 6.5kHz[br]Dimensions[tab]300 x 282 x 203mm[br]Weight[tab]2.26kg