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Feature:

1. Adopt NE5532 operational amplifier.
2. Play with good sound quality.
3. Wide range for input voltage: DC9V-18V.
4. Standard 3.5mm audio input/output interface.
5. With rotating knob for volume adjustment.
6. Components can be well protected by the transparent housing.
7. Adopt NE5532 operational amplifier. Components can be well protected by the transparent housing.

Specification:

This headphone amplifier DIY kit adopts NE5532 operational amplifier, which can ensure good sound quality.

Features:
Adopt NE5532 operational amplifier.
Play with good sound quality.
Wide range for input voltage: DC9V-18V.
Standard 3.5mm audio input/output interface.
With rotating knob for volume adjustment.
Components can be well protected by the transparent housing.

Specifications:
Quiescent Current: 6mA
Power Supply: DC9V-18V(Recommend 12V)
Audio Input/Output Interface: 3.5mm
PCB Board Size: 60 * 40mm / 2.36 * 1.57in
Finished Product Size: 70 * 50 * 22mm / 2.75 * 1.97 * 0.87in
Product Weight: 64g / 2.23oz
Package Size: Approx. 10.5 * 7 * 2.5cm / 4.13 * 2.75 * 0.98in
Package Weight: 74g / 2.63oz

Note:
This is a DIY kit, you need to solder it by yourself.

Package List:
1 * DIY Headphone Amplifier Kit with Transparent Housing
1 * User Manual(English)

Package List:

1 * DIY Headphone Amplifier Kit with Transparent Housing
1 * User Manual(English)

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