Check the listing for details. Stage Speaker TDA8954TH Dual 420W Digital Audio Amplifier Board. Color: Blue, Condition: New. Listed at 96.71 USD. Stage Speaker TDA8954TH Dual 420W Digital Audio Amplifier Board Product introduction This power amplifier board adopts TDA8954TH dual chip with high-performance active cooling fan. When working with high power, it can effectively dissipate heat to the chip to achieve outstanding performance. with the previous number The difference between the word amplifier is that it combines the efficiency of class D and the low distortion rate of class A analog amplifier. The combination of the two will make you never get tired of listening to the listening experience! Product name: TDA8954 two-channel power amplifier board Specification model: XH-M258 Chip selection: TDA8954TH (original import) Input power: AC12V-28V (recommended dual 24V Output power: 420W*2 Output channel: dual channel Impedance matching: hold 2-89 (recommended 492) Appearance size: 180*120*30mm Product weight: about 400g Package:Power amplifier board and 3P audio cable - - root (transformer soundboard speakers in the picture are for demonstration only) Delivery Details We provide standard shipping to international via China Post airmail or Hongkong Post airmail with tracking number.Email us if not receive items. We only ship to the approved address given in Paypal Payment.Please make sure payment address in Paypal is correct.Any non-received items caused by invalid address registered on Paypal are not in our full refund or replacement policy. Returns and Replacements We accept returns and replacements within 30 days from the day the cutomer receive the products.Please make first contact within 30 days from receiving the order.Products should be returned in original condition. About Feedback We will try our best to solve any dispute and satisfy our customers. Please contact us firstly if you have any problems.As you know,a negative feedback can deal nothing and the positive feedback is very important for us.So we hope to your understanding.And we will appreciate if you would like to contact us for solving your problems.Thanks!