Inside the Design Featuring a stylish, intelligent design, the Pure Resonance Audio C3 3'' micro ceiling speaker is compact and lightweight. This ceiling speaker seamlessly attaches and blends into the ceiling creating a beautiful architectural look. With 8 Ohm and 70 Volt taps, the C3 ceiling speaker is designed to provide excellent sound quality for a wide variety of low to medium volume applications such as, background music, paging and ambient sound masking in commercial environments such as offices, retail stores, coffee shops, restaurants, hospitality venues, reception/waiting rooms, lounges, foyers, hallways, and auxiliary spaces.Compact and lightweight, the Pure Resonance Audio C3 3'' micro ceiling speaker system is an intelligent, stylish design that seamlessly blends into ceilings while producing quality sound and excellent dispersion of both music and vocals. Because of its small size, the C3 ceiling speaker is great for installations where architectural or aesthetic considerations require a small format ceiling speaker. It features an 8 Ohm and 70 Volt tap, as well as a power tap transformer switch which allows for selectable inputs of 8 Ohm or 70V/100V applications. The C3 ceiling speaker is perfect for providing background music, paging and ambient sound masking for offices, retail stores, coffee shops, restaurants, hospitality venues, reception/waiting rooms, lounges, foyers, hallways, and auxiliary spaces. An ultra-thin flat bezel allows the C3 to blend into ceiling planes. The quick and Easy-Mounting threaded mounting ring provides secure, clean installation onto ceiling tiles and many other ceiling types.