The Wheelock Eluxa speakers by Eaton feature high fidelity sound output, and speaker strobe models include an advanced power saving LED technology with a full range of candela settings for indoor wall and ceiling-mount applications. With the widest frequency response range (300 to 8000 Hz) in the industry, the Eluxa ELSPK and ELSPST feature leading intelligibility with crisp, clear voice messages and tone signaling, ideal for emergency communications, mass notification, voice evacuation, and fire alarm.