HT8691R Herun built-in BOOST boost anti-sound breaking function 11W D/AB audio power amplifier

" (1) Hello, the online price is not the final price of the product, and the price of materials will increase.Please confirm the price and whether there is an inventory before placing an order.Please understand, thank you! (2) The electronic components sold by the company ensure product quality.After receiving the goods, customers should sample the product within 7 days.If there is a problem with product quality testing, you can contact us with us to return and exchange.For the plane, destroy the appearance, and process the surface of the component and the tube. If the quality problem occurs, the company will not accept it.   (3) Since the company has a warehouse in Hong Kong, Shenzhen, Taiwan and other places, most of the goods can be allocated in inside, and some goods need a 2-4 days of goods.If your delivery period is relatively tight, please explain in advance so that we can coordinate and arrange for delivery. In addition, because most of the goods are stored in the Hong Kong warehouse, the freight forwarding cost is relatively high. In principleIf you order the quantity requirements, you can apply separately, please forgive customers.