HV-10-RA1 Headphone Amplifier Finished Board (Available Battery & Power Adapter)

Description

HV-10-RA1 Headphone Amplifier Finished Board (Available Battery & Power Adapter)
Note:
This is a finished board that has been welded and debugged.
Features:
PCB size: 100X72X1.6MM 1OZ copper spray tin process
The classic circuit RA1, this version uses a power adapter (18-24V) to obtain a positive and negative power supply through the IC differential to supply power to the JRC4556AD; it can also use two 9V batteries at the lead wire of the decoupling electrolytic capacitor;
The standard version has 1x magnification and can be used for 8-32 ohm high-sensitivity headphones, and the revised version is 4x magnification, which can be used for medium and high impedance headphones (above 90DB).
Take a note to explain the required version
Package:
1pc
HV-10-RA1 Headphone Amplifier Finished Board (Available Battery & Power Adapter)
Payment Method:
PayPal preferred
Shippment:
1.We provide free shipping to international via China Post Airmail . We can also ship byTNT/EMS/DHL/FedEx for alternative shipping method for corresponding fees. Please let us know before payment if you need split shipment.
2.International shipping requires complicated shipping procedures, If you have not received your shipment within 30 days from payment, please contact us.
Returns & Replacements & Repair:
We accept returns & replacements within 30 days from the day the customer receive the products, please make first contact within 30 days from receiving the order. Products should be returned in original condition. As a benefit to our customers, we also provide repair within 3 Months from the day when this item is shipped out, after repair is done, we will send you the item, but the customer should pay both shipping ways.
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