BIC America msrpro6 6.5 weather-resistant muro ceiling speakers.10w - 125w per channel.6.5- polygraphite woofer with high-power magnet.1- Pivoting liquid-cooled titanium tweeter.Freq resp: 40 Hz - 23 kHz.Imp: 8 ohm.Sensitivity: 90 db @ 1w/1 m.Gold-plated push binding posts.Weather resistant.Dog-leg mounting system.Includes metal paintable grills and white cloth d-cor grills.Dimensions: 9- Dia x 3.25- D.Cutout dim: 7.5- Dia.