Cheap And Discounts 2PCS Woofer Radiator Bass Passive Speaker 3" Low Frequency Loudspeaker Diaphragm Vibration Plate DIY 10166 Wholesale. Buy Directly From Merchant SMRT-LIFE Store. Enjoy ✓Free Shipping Worldwide! ✓90 Days Buyer Protection. ✓Easy Return. ✓Money Back Guarantee.