Topping NX1 Portable Headphone Amplifier

This item was purchased several years ago.
I confirmed its operation before listing and verified that it can be used without any problems.

The listing includes only the items shown in the images; instruction manuals, etc., are not included.

The following is an AI-generated product description.

The portable headphone amplifier NX1 offers excellent sound quality with H/L gain settings and USB charging.

- Brand: Topping
- Model Name: NX1
- Function: Portable Headphone Amplifier
- Input Terminal: IN
- Output Terminal: Headphone Output
- Gain Setting: H / L
- Charging Port: USB Charging
- Power Indicator: Blue LED

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