The MH-15W is a robust, weather-resistant paging horn. Featuring all-metal construction, a wide frequency response, and external adjustable power taps, the MH-15W is suitable for demanding environments and installations.The MH-15W can be used for 25V or 7V paging systems and can be connected directly to an 8? output. It can be used with intercom systems for two-way communication that require an 8 ohm direct tap.The horn mounts directly to a flat surface and can be adjusted to the desired angle. Lightweight aluminum horn Weatherproof and waterproof construction Universal metal mounting bracket Built-in transformer for 1/7/25V systems 8 ohm direct tap