Klipsch RS-35 Reference Series Surround Speaker - Black Two-way system using two 1 neodymium magnet, titanium dome compression driver tweeters with 5 square 90 x 60 Tractrix Horns and one 6.5 woofer 81 Hz- 20,000Hz +-3dB Frequency-Response Handles up to 125 Watts continuous power (500 watts peak) Enclosure has Bass-reflex via side-mounted port with Matte black vinyl finish Unit Size - 7.7 x 15.75 x 7.7