Telecor A-15T Horn/Loudspeaker The Telecor A-15T Horn/Loudspeaker is a double reentrant-type device that provides excellent speech intelligibility and efficiency. It is ideal for medium power public address, intercom and security applications. The horn is weather-resistant and suitable for both indoor and outdoor installation. The A-15T is equipped with a compression driver capable of delivering 15 watts of continuous power. The nominal frequency range is 375-14,000 Hz with a sensitivity of 110 dB at 1 watt. A dual 25/70 volt line matching transformer with a screwdriver-adjustable impedance selector switch provides for a versatile means of power selection. A universal mounting bracket allows the horn to be positioned both in the vertical and horizontal planes with a single adjustment. The horn employs all metal construction and is finished in a grey epoxy coating.