Behringer EUROLIVE B1500XP High Performance Active 3000 Watt PA Subwoofer with 15 Inch Turbo Sound Speaker and Built-in Stereo Crossover : Amazon.de: Musical Instruments & DJ
Behringer VQ1800D Active 500-Watt 18" PA Subwoofer - Andertons Music Co.
Behringer VQ1800D Professional Active 500-Watt 18" Powered PA Subwoofer with Built-In Stereo Crossover vq-1800-d - Canada's Favourite Music Store - Acclaim Sound and Lighting