Dual Power DC9-15V 47 Headphone Amplifier Board 47 Headphone Amp DIY Kit HIFI Amplifier Board DIY Amplifier Kit

Headphone Amplifier Board
$7.85
Quantity
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Description

Dual Power DC9-15V 47 Headphone Amplifier Board 47 Headphone Amp DIY Kit HIFI Amplifier Board DIY Amplifier Kit

voltage Dual power DC9-15V
Feature

Using FR-4 spray tin quality A-level PCB

Using FR-4 spray tin quality A-level PCB

 

Dual power supply version, dual DC9-15V, the higher the voltage, the stronger the driving force! !
With socket, you can change different op amps to achieve different sound styles; the power supply of this board is only filtered by the power supply. Please use high-quality and pure power supply to achieve design specifications, battery is optimal!
Impure power supply may bring noise! !
The circuit design is exquisite, all use imported fever capacitors, FR-4 high quality tin-plated PCB, not only beautiful, but also good.
The method of judging the bottom: the input terminal is short-circuited, or the volume potentiometer is turned off to the minimum, the test can ensure silence and silence, and the computer or the mobile phone feedback has noise, which is not the problem of the amp.