AU-8X Audio Preamplifier Preamp Headphone Amplifier Assembled 5V Powered With USB-DC Cable

AU-8X Audio Preamplifier Preamp Headphone Amplifier Assembled 5V Powered With USB-DC Cable

Description:
It is an audio preamp headphone amplifier. It comes with an USB-DC cable. It can be powered by the USB ports of TVs, computers, set-top boxes, speaker U disk ports and other devices. It is not recommended to use a mobile phone charger for power supply because of humming sound. It is also not recommended to use a power bank for power supply, because it may be out of power.

When the power supply is not pure, there will be electric current noise. When you encounter problems, please treat it rationally, and you can replace the power supply method to troubleshoot the cause.

Package Included:
- 1 x Audio Preamplifier Headphone Amplifier
- 1 x USB-DC Cable