Klipsch - Reference Premiere Dual 5-1/4" 400-Watt Passive 2-Way Surround Channel Speakers (Pair) - Ebony

400W RMS power; two 5-1/4" cerametallic woofers; two 1" titanium tweeters; vinyl finish; 58Hz - 25kHz frequency response; 95dB sensitivity; 8 ohms nominal impedance; removable grille