Best Buy offers a pair of Insignia 5-1/4" 2-Way Bookshelf Speakers in Black, model no. NS-SP213, for $29.99. Opt for in-store pickup to avoid the $12.50 shipping charge. That's $10 under our mention of a shipped unit from two weeks ago, $40 off list, and the lowest price we've seen. These 80-watt speakers feature an 80Hz to 20kHz frequency response, 5-1/4" woofers, and 3/4" silk dome tweeters.