Harman Audio offers a refurbished pair of Infinity Primus 6.5" 2-Way Car Speakers for $29.99 with free shipping. That's $18 under the lowest price we could find for a new pair. These speakers feature 70 watts RMS power, a 53Hz to 21kHz frequency response, Plus One 6.5" woofer cones, and 1" fabric dome tweeters.

Also available is a refurbished pair of Infinity Primus 6" x 9" 3-Way Car Speakers for $39.99 with free shipping. That's $10 less than you'd pay for a new pair. They feature 90 watts RMS power, a 46Hz to 21kHz frequency response, Plus One 6.5" woofer cones, 1" fabric dome main tweeters, and super tweeters. Both deals end October 15.

Note: Both items are covered by a 1-year Infinity warranty.