---
product_id: 322368101
title: "Q4 - Mini Stereo Gaming DAC & Headphone Amplifier, 24-Bit/192 KHz USB/Optical/Coaxial to RCA AUX, Digital-to-Analog Audio Converter Adapter for Home/Desktop Powered/Active Speakers - Black"
brand: "fosi audio"
price: "€ 121.49"
currency: EUR
in_stock: true
category: "Fosi Audio"
url: https://www.desertcart.pt/products/322368101-q4-mini-stereo-gaming-dac-and-headphone-amplifier-24-bit
store_origin: PT
region: Portugal
---

# Drives 16-200Ω headphones Plug & play USB/Optical/Coaxial inputs 160mW RMS power output Q4 - Mini Stereo Gaming DAC & Headphone Amplifier, 24-Bit/192 KHz USB/Optical/Coaxial to RCA AUX, Digital-to-Analog Audio Converter Adapter for Home/Desktop Powered/Active Speakers - Black

**Brand:** fosi audio
**Price:** € 121.49
**Availability:** ✅ In Stock

## Summary

> 🎶 Elevate your desktop audio game—because your ears deserve the best!

## Quick Answers

- **What is this?** Q4 - Mini Stereo Gaming DAC & Headphone Amplifier, 24-Bit/192 KHz USB/Optical/Coaxial to RCA AUX, Digital-to-Analog Audio Converter Adapter for Home/Desktop Powered/Active Speakers - Black by fosi audio
- **How much does it cost?** € 121.49 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.pt](https://www.desertcart.pt/products/322368101-q4-mini-stereo-gaming-dac-and-headphone-amplifier-24-bit)

## Best For

- fosi audio enthusiasts

## Why This Product

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

## Key Features

- • **Effortless Setup:** True plug-and-play—no drivers or apps needed, just pure sound
- • **Compact & Durable:** Sleek full-metal shell fits perfectly on any desktop setup
- • **Audiophile-Grade DAC:** 24-bit/192kHz bit-perfect streaming with ultra-low noise
- • **Versatile Connectivity:** Seamlessly connects via USB, Optical, and Coaxial for all your devices
- • **Powerful Mini Amplifier:** Delivers crisp 160mW RMS output for immersive sound

## Overview

The Fosi Audio Q4 is a compact, high-performance DAC and headphone amplifier designed for professionals and audiophiles alike. Supporting 24-bit/192kHz bit-perfect audio via USB, Optical, and Coaxial inputs, it powers headphones from 16 to 200 ohms with 160mW RMS output. Its robust metal chassis ensures durability, while plug-and-play functionality guarantees hassle-free setup. Perfect for desktop use, it transforms your digital audio into rich, detailed sound, making it a must-have for anyone serious about audio quality.

## Description

Buy Fosi Audio Q4 - Mini Stereo Gaming DAC & Headphone Amplifier, 24-Bit/192 KHz USB/Optical/Coaxial to RCA AUX, Digital-to-Analog Audio Converter Adapter for Home/Desktop Powered/Active Speakers - Black online on desertcart.ae at best prices. ✓ Fast and free shipping ✓ free returns ✓ cash on delivery available on eligible purchase.

## Features

- Q4 DAC headphone amplifier is designed with RCA/PC-USB/optical/coaxial/ inputs and 3.5MM headphone outputs can fit with most home audio system and headphones. (Note: Q4 do not support Microphone). RCA output can be connected to amplifier or powered speakers on your desktop. Built-in Hi-Fi headphone amp chip can drive most 16 Ohm to 200 Ohm headphones.
- Q4 Heaphone USB DAC Adopts the Texas Instruments NE5532 high-performance operational amplifiers chip combining excellent DC and AC characteristics. Q4 features very low noise, high output-drive capability, high unity-gain, and maximum-output-swing bandwidths, low distortion, high slew rate, input-protection diodes, and output short-circuit protection.Q4 has specified maximum limits for equivalent input noise voltage.
- 160mW RMS(32 ohms, 20 Hz - 20 KHz, 0.01% THD), with bass and treble control Q4 can be used as preamp or volume controller for your PC/Computer/MAC/headphons/speakers system. Easy to set up. No special software, app, or driver to install, a true plug-and-play digital audio adapter.
- Mini compact D/A converter, full metallic shell to ensure high quality. Stream bit-perfect 24bit/192KHz HD with low jitter, with output protect circuit, safe for your expensive audio system.
- What You Get: Q4 USB DAC x1, USB charging cable x1, optical cable x1, PC-USB to type B cable, User Manual x1, our worry-free 24-month warranty, and friendly customer service.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B07VDQQY95 |
| Audio Output Mode | Stereo |
| Best Sellers Rank | #1,898 in Electronics ( See Top 100 in Electronics ) #2 in Digital-Analog Converters |
| Brand Name | Fosi Audio |
| Compatible Devices | Headphones., Speakers |
| Country Of Origin | China |
| Customer Reviews | 4.4 4.4 out of 5 stars (3,236) |
| Interface | Coaxial, Optical, USB |
| Item Dimensions L x W | 9.9L x 7.4W centimeters |
| Item Weight | 430 Grams |
| Manufacturer | Fosi Audio |
| Material Type | Metal |
| Maximum Supply Voltage | 5 Volts (DC) |
| Minimum Supply Voltage | 5 Volts (DC) |
| Model | Q4 |
| Mounting Type | Table |
| Number of Channels | 1 |
| Number of Items | 1 |
| Number of Pins | 11 |
| Part Number | Q4 |
| Unit Count | 1.0 Count |

## Product Details

- **Brand:** Fosi Audio
- **Maximum supply voltage:** 5 Volts (DC)
- **Minimum supply voltage:** 5 Volts (DC)
- **Mounting type:** Table
- **Number of pins:** 11

## Images

![Q4 - Mini Stereo Gaming DAC & Headphone Amplifier, 24-Bit/192 KHz USB/Optical/Coaxial to RCA AUX, Digital-to-Analog Audio Converter Adapter for Home/Desktop Powered/Active Speakers - Black - Image 1](https://m.media-amazon.com/images/I/51ahAHhZF6L.jpg)

## Questions & Answers

**Q: Can Q4 output analog stereo audio through both the 3.5mm headphone jack and the RCA red/white jacks at the same time?**
A: Q4 will mute the RCA output when headphones are plugged in.

**Q: How do I connect Q4 to my computer with USB input?**
A: Your other USB cables must support OTG function. -For iPhone: Use a USB B to Lightning OTG Cable. -For Android: Use a USB B to TYPE C Cable.

**Q: Where is the 0db position (Q4)?**
A: The 0db position is at 12 o'clock on the knob.

**Q: Does Q4 support PS5?**
A: Yes, it supports PS5.

**Q: Can RCA output be connected to a soundbar (e.g., AUX input) (Q4)?**
A: Yes, it can work.

## Frequently Bought Together

- Fosi Audio Q4 Desktop DAC Headphone Amp for PC Mini Stereo Headphone Amplifier Combo USB Optical Coaxial to RCA AUX Digital-to-Analog Audio Converter Adapter for Home Powered Speakers
- Sennheiser HD 560 S Over-The-Ear Audiophile Headphones - Neutral Frequency Response, E.A.R. Technology for Wide Sound Field, Open-Back Earcups, Detachable Cable, (Black) (HD 560S)

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*Product available on Desertcart Portugal*
*Store origin: PT*
*Last updated: 2026-09-28*