The Eminence ASD:1001 High Frequency Driver features a 1" (25.4mm) throat size and is intended to be installed into an exponential, radial or constant directivity horn flare. The horn flares themselves (with provided mounting holes) may be installed into speaker cabinets or used outside of them. The ASD:1001 features 50 watts at 8 ohms, and a frequency response of 2.5 to 20kHz. Typical applications include mid-level sound reinforcement, stage monitoring and more.