L10 Class A amplifier 50W2 sheet with protection + power supply board

Description

This is a fully assembled board with tested.you have no need to solder.
Product Description:
Basic parameters:
Amplifier board size: 200MM X 68MM X 30MM
Group A output power: 50W + 50W power without distortion 8 ohms
Class A and B Maximum output power: 300W + 300W
Recommendation input voltage: ± 28V-45V DC input.
Recommended transformer parameters: AC double dual 24-35V AC output power of more than 300W
Power Board parameters:
1: 6 10000UF filter composed of gold fever
2: C1237 board with the midpoint voltage protection and power-delay protection circuit, perfect protection, boot no impact sound, installed convenient
3: with + --15 VDC out (about current 100MA) pre-installed with the machine for future upgrades, convenient and practical
4: for 24-35 volts AC double input
Power Board Size: 139 X 113 X 56MM
The price is not including the heatsink,if you need the heatsink,please email me.
We do our best to serve our customers the best that we can.
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