Cheap And Discounts XY-T1002P Upgraded Version Dc12-30V Bt Digital Amplifier Board 100W * 2 Stereo High And Low Frequency Adjustment Tpa3221 Chip Wholesale. Buy Directly From Merchant ElectronicMall Store. Enjoy ✓Free Shipping Worldwide! ✓90 Days Buyer Protection. ✓Easy Return. ✓Money Back Guarantee.