Cheap And Discounts AC20-26V TDA8950 2.1 amplifier board/class-D amp board (with BTL Speaker protection) Using original TDA8950TH NE5532 Wholesale. Buy Directly From Merchant J&C Audio Store. Enjoy ✓Free Shipping Worldwide! ✓90 Days Buyer Protection. ✓Easy Return. ✓Money Back Guarantee.