Photo 1 of Monolith by Monoprice 13in THX Certified Ultra 2000-Watt Powered Subwoofer

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Photo 1 of Monolith by Monoprice 13in THX Certified Ultra 2000-Watt Powered SubwooferPhoto 2 of Monolith by Monoprice 13in THX Certified Ultra 2000-Watt Powered Subwoofer