["brand new and high quality\r\n\r\nFeatures:\r\nBass radiator, also known as passive speaker, is used to replace the inverted tube, the subwoofer made with the radiator and the traditional back subwoofer.\r\nThe low frequency dive depth is equivalent to the reverse type. The sense of speed is obviously faster than that of the reverse type, which has the advantage of a certain closed box.\r\nCompletely eliminates the drawback of the inverted structure - that is, the wind noise brought by the inverted nozzle.\r\nMake great effect on enhancing the , booster, convenient debugging. Increase the lower potential of the , the sound more excellent.\r\nVibration Membrane only, other accessories demo in the picture are not included!\r\n\r\nSpecification:\r\nMaterial: Metal+Rubber\r\nType: Accessories\r\nColor: As Pictures Shown\r\nDimension(Diameter): 55x44x39cm/ 2.17x1.73x1.54in\r\nQuantity: 1 Set\r\n\r\nNote:\r\n1.No retail package.\r\n2.Please allow 0-1cm error due to manual measurement. plz make sure you do not mind before you bid.\r\n3.Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you!\r\n\r\nPackage includes:\r\n2 Pcs x Passive Radiator"]