Theater Solutions B6 Bookshelf Speakers (Black) 6.5" Poly-composite cone 8 ohm woofers, video shielded, 2" x 5" wide dispersion pies tweeters 15 - 200 Watts recommended power per pair, 40Hz - 20KHz (+/- 3dB) frequency response, 92dB sensitivity 2 Way passive design, black ash, digitally tuned enclosures, hang tabs on rear for mounting Quick release spring loaded raw wire speaker terminals, acoustically transparent grills Applications include home theater, surround sound system and whole house audio