47 HiFi NE5532 Headphone Amplifier DIY PCB AMP Kit with Transparent Case Single Power Supply DC12-18V

Description

• Adopts NE5532 operational amplifier.
• Can play good sound quality.
• Wide range for input voltage: DC12~18V.
• Uses 5.5mm inner/2.1mm outer interface.
• Includes rotating knob for volume adjustment.

Features:
Adopts NE5532 operational amplifier.
Can play good sound quality.
Wide range for input voltage: DC12~18V.
Uses 5.5mm inner/2.1mm outer interface.
Includes rotating knob for volume adjustment.
With transparent case, components can be well protected.

Specifications:
Material: FR4 + Acrylic
Working Voltage: DC12~18V
Plug Type: 5.5mm inner, 2.1mm outer
Input Polarity: inside positive, outside negative

Note:
--This is a DIY kit, you need to solder it by yourself.
--Please use the right selection of power supply polarity and voltage, or the IC will be burned.

Package List:
1 * Headphone Amplifier Kit

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