As one of its daily deals, Best Buy via eBay offers the Insignia 2-Way Indoor/Outdoor Speakers, model no. NS-OS312, for $39.99 with free shipping. That's $40 off list and the lowest total price we could find. These weather-resistant speakers feature 1/2" tweeters, 5" woofers, and a 70Hz to 20kHz frequency response. Deal ends today.