DIY HIFI Headphone NE5532P Amplifier Module Board AMP Kits，47K Resistor with Transparent Housing DC3.7V - 30V for Connecting between Earphone and Audio Source Zerone

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【Function】-DIY Headphone Amplifier is connected between VCD, CD, DVD, CD-ROM digital audio and power amplifier, can greatly reduce the "transistor sound", and make the whole sound system with a sweet natural bile feeling.
【Single Supply】-DIY headphone amplifier kit just use a single power supply, such as USB 5V, 12V, 30V.
【Rotating Knob Role】-You can adjust the volume very well.
【Transparent Housing】- Components can be well protected by the transparent housing.
【Wide Range for Input Voltage】-DC3.7V - 30V.

Description:

DIY HiFi headphone amplifier is mainly used as a connection between the earphone and the audio source, play an important role of improving the tone quality of the headphone. This is kits, included all components as the photo show, but you need to assemble it by yourself.

Specification:

Power Supply Votage: DC 3.7-30V

Power Plug Size: Approx. . * 2.mm / 0.2 * 0.08in

Impedance: 47K
OP-AMP: NE32P
Size: Approx. 8.4 * 4. * 0.cm / 3.3 * .8 * 0.0in
Weight: Approx. 94g

Package List:

* Amplifier Board
* Bag of PMMA
* Bag of Components
* Bag of Screws
* Bag of Diodes
* English Circuit Diagram