8Ω/70V/100V Ceiling speaker Designed for the most demanding installations 100 V and low impedance The CHP-660 is a 2-way high-quality andVeryVersatile ceiling speaker. The 6.5" coaxial loudspeaker produces aWarm and generous sound level and can operateWith a 100 V line or at low impedance, thanks to its incredible sound box.Warm and precise sound output 2-way speakerWith a real sound box. Refined design. Easy to install.