These speakers feature a 4” polypropylene woofer cone and a 1/2" Mylar tweeter, a 90Hz – 20kHz frequency response, and an 84dB sensitivity. Also, it is weather-resistant. The price drops from $49.99 to just $29.99. Shipping is free for over $35 or adds $5.99 or select in-store pickup to avoid the shipping fee.