Photo 1 of Monolith by Monoprice 16in THX Certified Ultra 2000-Watt Powered Subwoofer (Matte Black/Painted)

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Photo 1 of Monolith by Monoprice 16in THX Certified Ultra 2000-Watt Powered Subwoofer (Matte Black/Painted) Photo 2 of Monolith by Monoprice 16in THX Certified Ultra 2000-Watt Powered Subwoofer (Matte Black/Painted) Photo 3 of Monolith by Monoprice 16in THX Certified Ultra 2000-Watt Powered Subwoofer (Matte Black/Painted)