DIY Classic DA47 Headphone Amplifier Circuit Board Kits DC 3.7V To 30V Single Power Portable


$11.11

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Specification:
 
Using a single power supply, such as USB 5V, 12V, 30V car work
Power supply votage: DC 3.7-30V
Size: 93*55*25mm(length*width*height)
Impedance: 47K
OP-AMP: NE5532P
Power plug size: 5.5*2.1mm(length*width)
 
Note:
 
This is DIY kit, you need to solder it by yourself!
 
Package included:
 
1 X DIY classic DA47 headphone amplifier circuit board kits
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