

Dual ESS SABRE ES9219C DAC Chips and High-Precision Independent Crystal Oscillator
The synergy of dual ESS SABRE ES9219C DAC chips and high-precision independent crystal oscillators doubles audio performance, providing the most accurate clock with both DACs, delivering the purest audio experience, and reproducing true music with unprecedented precision. Excellent DAC parameters: 32bit/384kHz PCM, DSD256, +121dB DNR, -114dB THD+N, ultra-low power consumption, advanced integration, and significantly better performance than previous iterations. Note: the above official data is provided by ESS.

MQA 16X
MQA is an award-winning British technology that delivers the sound of the original master recording. Master MQA files are fully authenticated and small enough for streaming or downloading. MQA audio technology is supported by the Hidizs XO portable dongle DAC AMP, allowing you to fully "unfold" MQA files (16X) to achieve outstanding sound quality. *To achieve 16X unfolding of MQA audio, you need to install a music service that supports MQA (such as HiBy Music, TIDAL) on your playback device.

Stylish RGB LED Light - Hidizs Patented Technology
The front of the XO MQA dongle features a unique X-shaped button for individually controlling the RGB LED lights (over 15 lighting effects). You’ll be captivated by the lighting effects of the XO MQA dongle.
Physical Button for Filter Mode Switching
The XO MQA dongle also features a dedicated O-shaped button for the filter mode switch. There is no need to update the firmware or use a phone. You can achieve two different sound styles with a single button. Enjoy maximum simplicity and convenience with plug-and-play functionality.

XO MQA Dongle - A Work of Art
The XO MQA dongle uses a high-density aluminum alloy shell, molded in a typical 5-axis CNC advanced process. For the first time, etching technology is applied to both sides of the XO MQA dongle. Using Hidizs' initial 'H' as a design element, the metal undergoes micron-level intricate and precise processing. Numerous 'H' characters are etched in the mesh dimples from end to end. The XO MQA dongle features a built-in RGB LED light tube that illuminates and shifts through the countless etched 'H' patterns, creating a mesmerizing effect.
Single-Ended 3.5mm + Balanced 2.5mm
The XO MQA dongle is USB-size and weighs just 11 grams. It includes two outputs powerful enough to drive phones, iPads, and PCs. The output is strong without being excessive—Single-ended 78mW+78mW@32Ω / Balanced 95mW+195mW@32Ω. The XO MQA dongle perfectly balances sound quality and battery life. It not only powers headphones ranging from 8 to 250 Ω but also delivers excellent performance when paired with high-impedance 300 Ω headphones. The XO MQA dongle is a portable, powerful must-have for true music lovers worldwide, satisfying even the most demanding users.

Sampling Rate Indicator Light
The O-shaped button light on the XO MQA dongle indicates the sampling rate. The color of the light lets you know the sampling rate of the currently playing track.
HiBy Music App
The Hidizs XO single-ended & balanced MQA dongle supports the industry-leading professional HiBy Music app.


Dual certification: Hi-Res Audio & MQA certification
Hi-Res Audio (HRA) is a certification of high quality audio products by JAS and CEA. MQA (Master Quality Authenticated) is an award-winning British technology that delivers the sound of the original master recording.

| dimensions | 55×24.5×9.35mm |
|---|---|
| DAC chip | ESS SABER ES9219C x2 |
| MQA | Compatible up to 16X |
| DSD | Native DSD64/128/256 |
| P.C.M. |
Supports up to 384kHz/32Bit |
| Frequency characteristics | 3.5mm: 20Hz-40kHz/ 2.5mm: 20Hz-40kHz |
| THD+N |
3.5mm: 0.0005%/ 2.5mm: 0.0005% |
| S/N ratio |
3.5mm: 118dB/ 2.5mm: 119dB |
| crosstalk | 3.5mm: 76dB/ 2.5mm: 118dB |
| output | SE3.5mm: 78mW+78mW@ @32Ω/ BAL2.5mm: 195mW+195mW@32Ω |
| transmission interface | Type C |
| headphone output | Compatible with single-ended 3.5mm and balanced 2.5mm headphones. |
| manufacturing quality |
Aluminum alloy CNC integrated (black, silver, rose gold) |
| net weight |
11g |
| support system |
Support: Windows, Mac OS, iPad OS, Android, iOS. Note: For iOS users, the Lightning OTG cable must be purchased separately. |









