Product Name: 12 Inch PRO Audio Speakers with Powerful Big Bass Subwoofer Hot Sale Model NO.: SUB12 Structure: Bass Reflex Enclosure Sound Channel: 1 Adjusting Method: Keystoke Usage: Stage/DJ, Karaoke, Portable Player, Home Theatre System, TV Speaker Material: Wood Amplification Type: Active Rated Power: 250W Frequence Response: 20Hz-200Hz Voltage: AC 220V 50Hz Net Weight: 21.2kgs Type: Ative 12 Inch Subwoofer Trademark: MA Transport Package: imported Kraft Card Board Carton Box Specification: 400(mm)x510(mm)x400(mm) Origin: Guangzhou China HS Code: 8518210000 Product Description Product descriptionActive SubwooferModel numberSUB12Acoustic systemAdopt Low-frequency reflexand 360° cone diffusion transfer.circular cone reflex base,low frequency waveguide effective sound, free fromfloor surface reflection ,reduce the acoustic resonancereflected betweenthe floor and wooferDrivers1*12inch subwoofer(imported wool fiber and high fiber paper cone, modified high elasticity rubber edge, imported high temperature resistant voice coil.)Frequency Range20Hz-200Hz±3dBTotal Power250WProduct Size(W*H*D)400(mm)x510(mm)x400(mm)Package Size550*465*465mmN.W21.2kgCabinet MaterialEnvironmental friendlymattepainting cabinet designColors optionClassic black, concise white