Cheap And Discounts 10PCS/lot New OriginaI TA8427K TA8427 or TA8403K or TA8420AF or TA8421AF or TA8423P or TA8423F or TA8424P HSIP-7 POWER AMPLIFIER Wholesale. Buy Directly From Merchant Shenzhen Yueqi Elec. Company Store. Enjoy ✓Free Shipping Worldwide! ✓90 Days Buyer Protection. ✓Easy Return. ✓Money Back Guarantee.