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Keenso TDA7492P Amplifier Audio Board, 50W 50W Channel Amplifier Digital Bluetooth 4.0 Audio Receiver Amplifier Board Module J3J7
Power Supply & Audio Input -- Power Supply: 2.1 interface 8~25V DC power supply; Wrong polarity will burn its chip, please note.; Audio input: CSR8635 Bluetooth chip, Bluetooth V4.0（stereo input various versions of the bluetooth connection）
Keenso -- High quality TDA7492P Receiver Amplifier, test before shipping,long time warrenty, fast money refund & ! Just Connect Us By QA & E-Mail for any questions!
Output Impedance -- Output Impedance: 4/6/8/16 ohms speakers supported (8 ohms would be best); Output Power: Adding front-end circuit 5532 to ensure its high output power.
Ringo
Reviewed in the United States on July 3, 2023
I have purchased two of these boards and both failed. One shortly after it was installed and in use. The replacement fails to power up right out of the box. I requested a refund, they did refund me 0.53 Cents, paid $10.13. The product is from China and is mass produced and does not go through any type of QA/QC, it is a crap shoot if the board you receive will work and if it does for how long. I suggest paying more and buying something better or order the board and components to build it yourself.
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