This 2-way flush-mount coaxial ceiling speaker is designed for indoor 100 V public address systems. It features one 8-inch woofer and one 0.5-inch dome tweeter with a swivel design, providing a frequency response of 35 to 20,000 Hz, 89 dB sensitivity, and a maximum SPL of 104 dB. Power tapping is selectable at 5, 8, 15, or 30 W RMS. The white ABS housing has a metal grille and is scratchproof and shockproof.