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.