snippet: The ET-1010-R Speaker meets the critical need of the life safety industry for voice and tone signaling in both indoor and outdoor applications. It has a vandal-resistant die-cast grill and a sealed-back speaker for extra protection. The high-efficiency speaker is designed for maximum output at a minimum wattage across a frequency range of 400 Hz to 4 kHz. It covers both 25 V and 75 V audio systems with a series of wattage taps from 0.125 W to 8 W. (Page 1)