Woofer Radiator Bass Passive Speaker Low Frequency Loudspeaker Diaphragm Vibration Plate DIY 50*65mm Description: Waterproof diaphragm can be waterproof and effectively prolong the service life. Bass radiator, also known as passive speaker, is used to replace the inverted tube, the subwoofer made with the radiator and the traditional back subwoofer. Completely eliminates the drawback of the inverted structure - that is, the wind noise brought by the inverted nozzle. Make great effect on enhancing the bass, bass booster, convenient debugging. Increase the lower potential of the bass, the sound more excellent. Dramatically increase subwoofer efficiency and capability for ultra-low frequency reproduction at high decibel levels. New and high quality Material: Rubber Type: sound film, diaphragm Model: 5065-2-a1.0-65 Number of channels: Multichannel Thickness of intermediate iron sheet: 1.0mm Diameter: 50*65mm Softness: 65 degrees Surrounding rubber thickness: 0.35mm Specification of iron sheet: 34*1.0mm Color: as shown in the figure Package includes: 1pc Note: Due to the different monitor and light effect, the actual color of the item might be slightly different from the color showed on the pictures. Thank you! Please allow 1-2mm measuring deviation due to manual measurement. _x000D_ _x000D_