All HEINRICH Loudspeakers are IP66 and as per EN54 required terminals and out door applications used for all required standard IEC60849, BS5839 part 8 OHS series is fully comply as per EASE /CATT/Ulysses. The OHS30/T is a waterproof horn speaker built-in 70v/100v transformer. The 70v/100v transformer technique reduces line losses on longer distance and allows easy parallel connection of multiple loudspeakers. The built-in horn speaker driver is designed of wide frequency response 300-13kHz, the multiple power taps 15W &30W are helpful for different applications varies from room size and ambient noise surroundings. The ABS enclosure and stainless bracket are of white color. Easy and secure wall mount installation through the supplied stainless mounting bracket. It is ideal choice for industrial and commercial applications in the outdoor area of parking, park, garden, corridor and playground where paging is needed.