8'' Speaker - 8 Ohm Impedance - Sold as a Pair.1'' High Temperature Voice Coil - 100V Transformer Tapping At 10W.1.5'' Tweeter Cup - SPL: 89dB.200 Watts Peak power - Cut-Out Dimensions: 8'' Diameter x 3.15'' Depth.Frequency Response: 60-16kHz - Overall Dimensions: 12.8'' Diameter x 3.15'' Depth The Pyle Pro PDICS8 two-way in-ceiling speaker system delivers stereo sound to any room in your home or office without cluttering floor space. It also contains a 100 V transformer for use on high-power systems. Each unit in the pair measures 6.5” round, equipped with a 1” high temperature voice coil and 1.5” tweeter cup for a full, rich sound. These speakers pump out up to 200 watts max, achieving a frequency response of 60 Hz to 16 kHz. Sold as a pair.