---
product_id: 224227339
title: "Douk Audio U3 Mini Class A Headphone Amplifier HiFi Desktop Home Stereo Amp DC5V (U3)"
brand: "nobsound"
price: "167 kr"
currency: NOK
in_stock: true
category: "Nobsound"
url: https://www.desertcart.no/products/224227339-douk-audio-u3-mini-class-a-headphone-amplifier-hifi-desktop
store_origin: NO
region: Norway
---

# 1300mA Class A current output Wide 5-20V input voltage Pluggable op amp socket Douk Audio U3 Mini Class A Headphone Amplifier HiFi Desktop Home Stereo Amp DC5V (U3)

**Brand:** nobsound
**Price:** 167 kr
**Availability:** ✅ In Stock

## Summary

> 🎶 Elevate your sound game with the power of Class A precision!

## Quick Answers

- **What is this?** Douk Audio U3 Mini Class A Headphone Amplifier HiFi Desktop Home Stereo Amp DC5V (U3) by nobsound
- **How much does it cost?** 167 kr with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.no](https://www.desertcart.no/products/224227339-douk-audio-u3-mini-class-a-headphone-amplifier-hifi-desktop)

## Best For

- nobsound enthusiasts

## Why This Product

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

## Key Features

- • **Desktop Essential:** Perfect for home or office setups, elevating your stereo experience to professional levels.
- • **Compact Yet Mighty:** Miniature design packs enough punch to drive high-impedance headphones with ease.
- • **Power Meets Precision:** Wide 5-20V input ensures stable, noise-free amplification for pristine sound.
- • **Audiophile-Grade Warmth:** Original TI-NE5532 op amp with Class A transistors delivers ultra-low distortion and rich, delicate audio.
- • **Customizable Sound Experience:** DIY-friendly pluggable op amp socket lets you tailor your audio signature effortlessly.

## Overview

The Douk Audio U3 Mini is a compact Class A headphone amplifier featuring a wide 5-20V input voltage range, original TI-NE5532 op amp, and 1300mA current output transistors. Its pluggable op amp socket allows easy DIY upgrades, making it ideal for audiophiles seeking warm, ultra-low distortion sound. Designed to effortlessly drive high-impedance headphones, it’s a perfect desktop companion for professional-grade audio at home or office.

## Description

Free delivery and returns on eligible orders. Buy Douk Audio U3 Mini Class A Headphone Amplifier HiFi Desktop Home Stereo Amp DC5V (U3) at desertcart UK.

## Features

- Wide Input Voltage: Innovative circuit design supports a DC 5-20V wide input working voltage, maintaining an optimal 26V for the amplifier circuit and delivering an excellent background noise index.
- High-Quality Audio Components: Features the original TI-NE5532 op amp and a transistor expanding current circuit with 1300mA large current output transistors in Class A status for ultra-low distortion and a warm, delicate sound.
- DIY Upgradeability: Pluggable op amp socket design allows for easy upgrades to different op amps, offering DIY fun and enhanced playability for audiophiles and sound enthusiasts.
- Mini Size, High Performance: Compact and exquisite design offers great value, providing the power and sound quality to drive most headphones on the market with ease, perfect for home or office desktop audio systems.
- Strong Drive Power: Effortlessly drives high-impedance headphones including models like HD580, HD600, HD650, K701, K702, Q701, DT880, T70, T90, SR225, SR325, and RS1e.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B089YJY8Q5 |
| Best Sellers Rank | 90 in Headphone Amplifiers |
| Guaranteed software updates until | unknown |
| Item model number | XZ-U3-UK |
| Manufacturer | Nobsound |
| Package Dimensions | 15.3 x 11.4 x 9 cm; 260 g |

## Images

![Douk Audio U3 Mini Class A Headphone Amplifier HiFi Desktop Home Stereo Amp DC5V (U3) - Image 1](https://m.media-amazon.com/images/I/71UI7fJJYCL.jpg)

## Available Options

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

## Frequently Bought Together

- Douk Audio U3 Mini Class A Headphone Amplifier HiFi Desktop Home Stereo Amp DC5V (U3)
- Amazon Basics 3.5 Aux to 2 x RCA Adapters, Audio Cable for Amplifiers, Active Speakers with Gold-Plated Plugs, 1.2 m, Black

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**Shop now:** [https://www.desertcart.no/products/224227339-douk-audio-u3-mini-class-a-headphone-amplifier-hifi-desktop](https://www.desertcart.no/products/224227339-douk-audio-u3-mini-class-a-headphone-amplifier-hifi-desktop)

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*Product available on Desertcart Norway*
*Store origin: NO*
*Last updated: 2026-09-18*