Cheap And Discounts 12V 15V/470uF 1000uF 2200uF Dual Power Filter Board Module Amplifier Positive and Negative Rectification PCB Wholesale. Buy Directly From Merchant Shenzhen Weiheng Store. Enjoy ✓Free Shipping Worldwide! ✓90 Days Buyer Protection. ✓Easy Return. ✓Money Back Guarantee.