Hello Ashok, I don’t have one for sale, but you can order a PCB from these factories in China such as PCBWAY and JLCPCB Reply
I'm sorry to hear that you're experiencing issues with the amplifier circuit. It sounds like there may be a problem…
Sir
I want to buy this board
Hello Ashok, I don’t have one for sale, but you can order a PCB from these factories in China such as PCBWAY and JLCPCB