Newegg offers the NXG Technology 12" 500-watt Powered Subwoofer in Black Pebble, model no. NX-BAS-500, for $149.99. Apply coupon code "VCO2015BTS" and check out via Visa Checkout to cut it to $139.99. With free shipping, that's $12 under our mention from last month and the lowest total price we've seen. (It's a current low by $80.) It features an 18Hz to 120Hz frequency response, variable adjustable crossover, and removable cloth grille. Deal ends August 31.
Note: This coupon can only be used once per account.