Polk Signature Series S15 Bookshelf Speaker

20 to 100W Recommended Amplifier Power 2-Way Speaker Design 5.25" Polypropylene Mid/Woofers 1" Terylene Dome Tweeters 50 Hz to 40 kHz Frequency Response Meddite MDF Cabinet Suitable for use in various settings, this pair of washed black walnut Polk Audio Signature Series S15 2-Way Bookshelf Speakers can handle 20 to 100W of continuous power and are equipped with a 5.25" mid/woofer and a 1" tweeter. They have a frequency response of 50 Hz to 40 kHz for enhanced treble reproduction and are made with a Meddite MDF