JBL ES250P Refurbished 400-watt Powered Subwoofer for $149.99 + Free 2-Day Shipping! By admin | June 14, 2017 1:37 pm EST 0 Comment Patented JBL® 12" PolyPlas™ driver 400 watts, 700 watts of peak power handling A JBL computer-optimized bass-reflex port Accurate frequency response Magnetically shielded for video proximity Linky