KSA100 circuit amplifier board finished board

Description

This is a fully assembled board with tested.you have no need to solder.
Product Description:
Supply voltage requirements: DC dual 35-70V (power level used) AC 12-15V (protection circuit)
Transformer 300W or more
Class AB: 260W + 260W
Class A: 50W + 50W
When debugging is shipped to AB class delivery, A to class after you installed the heat sink slowly own tune
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Please contract us by Trademanger or E-mail if you have any questions or suggestions.
We will reply within 24 hours. Have a good day.
Shipping With Tracking No. Signature Required.
Buyer should responsible for the import duties and taxes
Shopping&delivery
1. We will send the items within 3 days after your payment is confirmed by aliexpress.
2. Buyers are responsible for all additional customs fees, brokerage fees, duties, and taxes for importation of your country. These additional fees may be collected at time of delivery. We will not refund shipping charges for refused shipments.
3. We supply 3 kinds of shipping services as following:
a. Expedited Shipping: DHL, UPS, or FedEx. For faster shipping or smoothly transaction, we will change the best shipping company among them.
Estimated Delivery Time: 3-7 Days
b. Standard Shipping: EMS, ePacket(U.S available only) or DHL Global Mail (Gemany available only)
Estimated Delivery Time: 5-15 Days.
c. Economy Shipping: China Post or HongKong Post Air Mail
Estimated Delivery Time:15-34 Days
NOTE:All shippments to Brazil and Russia may take about 35-70 days
4. Confirm Order Received: With Aliexpress Escrow, payment will only be released to the supplier after buyer has confirmed delivery. Please ofter track the shipment to know the update shipping status after we sent the item. We appreciate your quick confirmation for the order after checking the products