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Unboxing Hidizs XO Single-ended & Balanced MQA Dongle – Beauty in the Details

Pre-sale Super Price Alert! You can now buy Hidizs XO Single-ended & Balanced MQA Dongle from Hidizs.net for only $89 between 12.15-12.21, after December 21st the regular price is $99, so hurry up – limited time offer! BTW, join the Hidizs XO Giveaways.


Meet Hidizs XO
I believe everyone has seen so far the appearance of Hidizs S8, S9 and S9 Pro. The new Hidizs XO is here now, so let’s take a closer look at its appearance. How is it different from the previous product? What new upgrades does it have? It uses a typical 5-axis CNC high-tech one-piece high-density aluminum alloy housing. Hidizs used etching technology for the first time on the left and right sides of the fuselage to etch countless “H” from the initials of Hidizs. It has built-in RGB LED tubes, and the light changes, coming out of countless “H”. There is an X-shaped physical button on the front of the fuselage, which is used to independently control the atmosphere light, and there are more than 15 lighting effects.

There is an O-shaped physical button on the front of the fuselage, which is independently responsible for the EQ Switch function. It can switch between 3 sound effects with one button. The light of the O-shaped button of the XO MQA Dongle shows the sampling rate. MQA audio technology is supported by Hidizs XO portable dongle DAC AMP, able to fully ‘unfold’ MQA files (16X) to deliver outstanding sound quality. According to the color of the light, the sampling rate of the currently playing song can be known.

XO Dongle is only the size of a USB and weighs only 11 grams. Contains two outputs: Single-ended 3.5mm + Balanced 2.5mm. The output power is strong but not excessive, single-ended 78mW+78mW@32Ω / balanced 195mW+195mW@32Ω. It perfectly balances sound quality and battery life. Hidizs XO MQA Dongle supports industry-leading professional app – HiBy Music.

Hidizs XO Highlights
– MQA 16X
– ESS SABRE ES9219C * 2
– Stylish RGB LED Light – Hidizs Patented Innovation
– Physical Button for RGB LED Lights & Filter Mode Switch
– Single-ended 3.5mm + Balanced 2.5mm
– Sampling Rate Indicator Light
– HiBy Music APP
– Hi-Res Audio & MQA certified

Hidizs XO Main Features
– DUAL ESS SABRE ES9219C DAC & Independent Crystal Oscillators. Get double the audio performance and the most accurate clocking for both DACs, through the synergy of the Dual ESS SABRE ES9219C DAC chips, and high-precision independent crystal oscillator, for the purest audio experience, and reproduce real music with unprecedented accuracy! Outstanding DAC parameters: 32bit/384kHz PCM, DSD256, +121dB DNR, -114dB THD+N, ultra-low power consumption, high integration, and substantially better performance than previous iterations.
– MQA 16X. MQA is an award-winning British technology that delivers the sound of the original master recording. The master MQA file is fully authenticated and is small enough to stream or download. MQA audio technology is supported by Hidizs XO portable dongle DAC AMP, able to fully ‘unfold’ MQA files (16X) to deliver outstanding sound quality. Music services that support MQA should be installed on playback devices (e.g. HiBy Music, TIDAL) to realize 16X unfolding of MQA audio.
– Stylish RGB LED Light – Hidizs Patented Innovation. The front of the XO MQA Dongle has a unique X-shaped button for independent control of the RGB LED lights. (15+ lighting effects)
You will be attracted by the light effects of the XO MQA Dongle.
– Sampling Rate Indicator Light. The light of the O-shaped button of the XO MQA Dongle shows the sampling rate. According to the color of the light, the sampling rate of the currently playing song can be known.
– Physical Button for Filter Mode Switch. There is also a dedicated O-shaped button on the XO MQA Dongle for filter mode switch. No need to update firmware or use your phone, just one button to get 2 different sound styles. Plug and play for maximum simplicity and convenience.
– XO MQA Dongle – Like a work of art. The XO MQA Dongle uses a high-density aluminum alloy shell, which is integrally formed with a typical 5-axis CNC high process. For the first time, the etched technology is used on both sides of the XO MQA Dongle. With Hidizs initials – “H” as the design element, the micron-level complex and meticulous metal processing is carried out. Etch a number of “H”, end to end, in the shape of a net hollow. The XO MQA Dongle has built-in RGB LED light tubes, and the light changes and staggers, scattered from the countless “H”.
– Single-ended 3.5mm + Balanced 2.5mm. The XO MQA Dongle is only the size of a USB and weighs only 11 grams. Contains two outputs, enough to drive mobile phones, iPads, and PCs. The output power is strong but not excessive, single-ended 78mW+78mW@32Ω / balanced 195mW+195mW@32Ω. The XO MQA Dongle perfectly balances sound quality and battery life. The XO MQA Dongle not only powers 8-250Ω headphones, but it also performs well when paired with 300Ω high-impedance headphones! Portable and powerful enough to satisfy demanding users, the XO MQA Dongle is a must-have for true music lovers worldwide!
– Dual Certifications: Hi-Res Audio & MQA Certified. Hi-Res Audio (HRA), is a high-quality audio products certification by JAS and CEA. MQA (Master Quality Authenticated) is an award-winning British technology that delivers the sound of the original master recording.
– HiBy Music APP. Hidizs XO Single-ended & Balanced MQA Dongle supports industry-leading professional app – HiBy Music.

Hidizs XO Specs
Brand: Hidizs
Model: XO
Type: Single-ended & Balanced MQA Dongle
Output option: Compatible with Single Ended 3.5mm and Balanced 2.5mm headphones
Compatible with headphone with a mic: Yes
Power: No need to charge. Plug and Play.
System Support: Windows, Mac OS, iPad OS, Android, iOS.
DAC chip: ESS SABRE ES9219C
DSD: Native DSD64/128/256
PCM: Support up to 384kHz/32Bit
Build quality: Aluminum-alloy CNC integration
Transmission interface: Type-C
Rated Output Power: 78mW + 78mW@32Ω 3.5mm SE, 195mW + 195mW@32Ω Balanced 2.5mm
Frequency Response: PO(3.5): 20Hz-40kHz (±0.12dB) / BAL(2.5): 20Hz-40kHz (±0.12dB)
Signal-to-Noise Ratio (SNR): PO(3.5): 118dB / BAL(2.5): 119dB
Total Harmonic Distortion+Noise: PO(3.5):0.0015% / BAL(2.5): 0.0005%
Recommended Headphone Impedance Range: 8-300Ω
Net weight: 11g
Dimensions: 55 x 24.5 x 9.35 mm
Color: Black / Silver / Rose Gold
Product code: 680S22290209 / 6933728001063

Sampling Rate Indicator Light
Pink: MQA
Blue: DSD 64/128/256
Green: PCM 44.1/48/88.2/96(kHz)
Yellow: PCM 176.4/192(kHz)
Red: PCM 352.8/384(kHz)

Pros
– Amazing sound quality.
– Excellent fidelity.
– Plenty of power from both outputs.
– Very good measurements.
– Incredible built quality.

Cons
– Perhaps a braided cable would be a better option.

Package Content
1 x Hidizs XO Pro
1 x USB Type-C to Type-C Cable
1 x USB Type-C to USB-A adapter
1 x Warranty Card
1 x Hidizs VIP Card
1 x Quality Check Pass Card

Note
For iOS users, the Lightning OTG cable has to be purchased separately. Hidizs LT02 Lightning to Type-C Cable is recommended.

Unboxing Photo Album with Hi-Rez images here. Official webpage here. More about Hidizs devices here.

About Hidizs. Hidizs was founded early in 2009, when pocket HiFi had just become a thing. At that time, they were pricey and badly made. Digital music sucked in those days, but people didn’t really care. Tamson, the founder and the CEO of Hidizs, did care. He was an audiophile and fronted an underground rock band in college. After graduating, Tamson dedicated his life to making HiFi music players for lossless music. As an audiophile, it was a no-brainer; music should be heard as it was intended to be. In order to produce better quality portable HiFi audio devices at an affordable price, Tamson brought together a group of audiophiles with extensive backgrounds in HiFi audio R&D. With a core staff of over 40 audio-obsessed professionals and decades of combined experience, Hidizs has been able to consistently produce the highest quality portable digital audio players (DAPs), earphones, USB DACs, etc. The Hidizs R&D team got to work in Oct 2012, after 3 years of intensive research into the global HiFi audio market. Hidizs’ first pocket HiFi audio player – AP100 – was officially launched at CES, the most influential tech event in the world, in Jan 2014. 3 years later, the first android Hi-Fi music player by Hidizs, AP200, was launched on Kickstarter, having since raised $280,000 with the support of 943 backers (all orders have been shipped!). Hidizs has won the VGP golden prize three years in a row (2019, 2020, 2021). Between 2018 – 2021, Hidizs’s classic AP80 & AP80 Pro also placed in 7th place at the Yearly Best Earphones Sales Award in Japan.

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