Bosch Wheelock ET90 Surface Mount, Flush Mount, Wall Mountable, Ceiling Mountable Speaker - White

The ET90 Speakers provide high audio output with clear audibility, and are designed to meet the critical needs of the life safety industry for effective emergency voice communications and tone signaling. The high-efficiency speakers are designed for maximum output at a minimum wattage across a frequency range of 400 Hz to 4 kHz.
A speaker mounting plate with a built-in level adjustment allows for a faster and easier installation. The two-screw grill cover creates an attractive appearance.

• 25 VRMS or 70 VRMS operation at a choice of seven taps from 0.125 W to 8 W
• Cost-effective two-wire design
• Low average current draw
• Extra protection and improved audibility through sealed-back speaker construction
• Easy wiring with screw terminals