Newegg offers a pair of Energy CB-10 Bookshelf Speakers in Black for $79.99 plus $1.99 for shipping. That's $18 under our mention from a month ago and the lowest total price we've seen. (It's a current low by $48.) They feature a 66Hz to 20kHz frequency response, 5.5" woofers, and 1" dome tweeters. Deal ends January 3.