---
product_id: 394671620
title: "KGUSS Tube 02 Pro Vacuum Class-A Tube Mini Headphone Amplifier 5725 Tube Pre-amp DC12V Black"
brand: "kguss"
price: "€ 152.04"
currency: EUR
in_stock: true
url: https://www.desertcart.ie/products/394671620-kguss-tube-02-pro-vacuum-class-a-tube-mini-headphone
store_origin: IE
region: Ireland
---

# 850mW output power Audiophile-grade capacitors Class-A tube amplification KGUSS Tube 02 Pro Vacuum Class-A Tube Mini Headphone Amplifier 5725 Tube Pre-amp DC12V Black

**Brand:** kguss
**Price:** € 152.04
**Availability:** ✅ In Stock

## Summary

> 🎵 Elevate Your Listening Game!

## Quick Answers

- **What is this?** KGUSS Tube 02 Pro Vacuum Class-A Tube Mini Headphone Amplifier 5725 Tube Pre-amp DC12V Black by kguss
- **How much does it cost?** € 152.04 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.ie](https://www.desertcart.ie/products/394671620-kguss-tube-02-pro-vacuum-class-a-tube-mini-headphone)

## Best For

- kguss enthusiasts

## Why This Product

- Trusted kguss brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Customizable Fun:** Easily swap tubes for a personalized audio experience.
- • **Unleash Your Sound:** Experience the rich, warm tones of Class-A tube amplification.
- • **Stylish & Functional:** Elegant black frosted design enhances any home or desktop setup.
- • **Power Meets Precision:** Drive any headphones effortlessly with 850mW output power.
- • **Versatile Connectivity:** Two line outputs for seamless integration with multiple audio sources.

## Overview

The KGUSS Tube 02 Pro is a high-performance Class-A tube headphone amplifier featuring 5725 tubes, delivering an impressive 850mW output power. Designed for audiophiles, it offers two line outputs and supports tube swapping for enhanced playability. Its sleek black frosted finish adds a touch of elegance to any audio setup.

## Description

KGUSS Tube 02 Pro Vacuum Class-A Tube Mini Headphone Amplifier 5725 Tube Pre-amp DC12V Black

## Features

- TUBE-02 PRO is a Class-A tube headphone amp,which uses 5725 tubes to amplify signal.It has a strong tube flavor,fine tone,and high performance,bringing extremely high-quality listening experience
- Adopt transistors for class A buffer,strong output power can easily drive any kind earphones,,output power up to 850mW.And audiophile-grade coupling capacitors is adopted to td the sound more sweet and transparent
- Has two sets of line outputs,through the tube.The design is novel, and the variant amplification of internal transistor and electron tube is processed by tube output,which solves the trouble of plugging in and out when enthusiasts use multiple sound sources
- It can be used as the Pre-amplifier of all kinds of audio amplifier or active speaker,and improve the sound quality of audio amplifier or active speaker.The black frosted texture looks simple and elegant，makes it fashionable and attractive, bringing wonderful auditory and visual enjoyment, very suitable for home and desktop audio system
- With high gain mode, the gain can be increased by +2.5dB. The tube can be replaced by 6J1, 6J2 tubes freely (other models are temporarily incompatible),adding much fun and higher playability

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B09MFCB3ZH |
| Item model number | FX AUDIO TUBE02 PRO |
| Manufacturer | KGUSS |
| Product Dimensions | 20 x 25 x 7 cm; 700 g |

## Product Details

- **Brand:** KGUSS
- **Colour:** Black
- **Compatible devices:** DAC
- **Material:** Metal
- **Output wattage:** 6 Watts

## Images

![KGUSS Tube 02 Pro Vacuum Class-A Tube Mini Headphone Amplifier 5725 Tube Pre-amp DC12V Black - Image 1](https://m.media-amazon.com/images/I/51h0L+pAi9L.jpg)

## Available Options

This product comes in different **Color** options.

## Questions & Answers

**Q: How about using it as a preamplifier for a phonograph**
A: I use them on my 3 turntables

**Q: Would this work on the DT 880 Pro 250  ohms?**
A: The headphone power output of TUBE-02PRO can support 32-600 Ω, DT880PRO is 250 Ω, it is suitable for use.

**Q: Does the tube glow brighter after the device has been in use for a while?**
A: Having used around 1 1/2 months   I have not noticed the change in brightness of the tubes 
It seems almost the same

**Q: Are you satisfied with the vacuum tubes? Have you tried to replace other vacuum tubes**
A: I am happy with the orig tubes  did not have the chance to change the tubes yet    Maybe someday soon

## Frequently Bought Together

- FX-Audio Tube-02 Pro Tube Headphone Amplifier, Vacuum 5725 Tube Preamp, Mini Hi-Fi Integrated Stereo Class A amp Supports 32-600 ohms of Headphones, for Stereo Amplifier/Active Speaker
- Tan QY 2RCA to 2RCA Cable 3Ft, Gold-Plated 2 RCA Male to 2 RCA Male Stereo Audio Cable for Home Theater, HDTV, Gaming Consoles, Hi-Fi Systems (3Ft/1M)
- Monoprice 1.5ft Premium 2 RCA Plug/2 RCA Plug M/M 22AWG Cable - Black

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*Product available on Desertcart Ireland*
*Store origin: IE*
*Last updated: 2026-03-04*