How much does this cost to the nearest dollar?

Behringer Nekkst K10S 10 inch Powered Studio Subwoofer
BEHRINGER K10S Audiophile 10 Studio Subwoofer with High Excursion Woofer. Ultra-linear reference-class studio subwoofer. Powered 180W Subwoofer with 10 LF Driver Weight 38.36 Pounds, Dimensions 15.91 x 14.02 x 15.51 inches, model number K10S, Rank Musical Instruments 54287, Studio Audio Monitors 171, Is Discontinued No, Available March 13, 2015, Color Name Black, Speaker Count 1, Power Source Corded Electric, Wattage 300 watts, Speakers Maximum Output Power 300 Watts, Of s 1, Brand Behringer, Model Name

Price is $309.00
Price: $309