Nobsound P1 PRO USB DAC Headphone Amplifier with Bonus Item

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Vacuum tube preamplifier with USB DAC and headphone amplifier functions.

- Model Name: P1 PRO
- Functions: USB DAC, Headphone Amplifier
- Controls: Volume, Bass, Treble Adjustment
- Vacuum Tubes: 2 x Vacuum Tubes (GE5654)
- Accessories: Power Adapter

This is a multi-functional preamplifier and headphone amplifier equipped with Bluetooth 5.0, USB DAC, and RCA input/output, allowing you to enjoy vacuum tube sound. It can be connected to various devices such as PCs, smartphones, and record players, providing clear and warm sound quality. Vacuum tubes can also be replaced. A separate main amplifier is required for connection to speakers.
The Nobsound P1 PRO is a compact audio device equipped with vacuum tubes (such as GE5654/GE5725W), developed by Nobsound (Shenzhen Cavins Technology Co., LTD), a Chinese audio brand. It integrates the functions of a preamplifier, USB DAC, and headphone amplifier into a single unit. Its multi-functionality is characterized by three abundant input systems: Bluetooth 5.0 (aptX compatible), PC-USB (24bit/192kHz compatible), and RCA, as well as RCA and 3.5mm headphone outputs.
The sound is clear and warm, dynamic, and known for being easy on the ears. You can also enjoy changes in tone by replacing the vacuum tubes.

Purchased new and used for approximately 10 hours before being stored, this item is in beautiful condition.
As a bonus, I will include two 6J1 vacuum tubes purchased as a matched pair.
Immediate purchase is welcome.
The price can be reduced if you do not require the original box.
Thank you.