Polk Audio 2 way RM-101 speakers have been tested and are working well! Polk Audio RM-101 speaker's Frequency Response of 95 Hz-24 Khz. Made of heavy duty, non-resonant Aluminum, this stylishly curved Polk Audio satellite speaker breaks up internal standing wave resonance for pure and life-like sound. With 1-3/4" Diameter Silk/Polymer composite dome Tweeter, this home theater sub-woofer produces superior quality treble and highs. Polk Audio RM-101's are ideal for multimedia or home stereo.