Bose's popular bookshelf speakers are well-known for their performance, value, and versatility. The innovative 301® Series IV spreads full, lifelike sound throughout your listening area. Each handsome slot-port enclosure houses a wide-dispersion 2" Stereo Targeting® tweeter, and a 3" Direct/Reflecting® tweeter that fires to the back and to the side. A long-excursion 8" woofer delivers plenty of solid, satisfying bass for music or home theater. Available in black or rosewood vinyl finish. Recommended center channel speaker: Bose VCS-10®. Details: tuned slot-port enclosure 8" woofer 3" Direct/Reflecting® and 2" Stereo Targeting® tweeters recommended power 10-150 watts with receivers rated from 4 to 8 ohms recommended speaker stand height 20-25 inches black or rosewood vinyl finish 10-1/4"H x 16-3/8"W x 9-3/4"D