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Watt’n Potatoes

Authorized dealers for FiiO X7 MARK II

  • 110Hz — online and in-store — Kielce, Województwo świętokrzyskie, Poland (website)
  • Acoustic Technologies — online and in-store — Montréal, Québec, Canada (website)
  • Addicted to Audio — online and in-store — Epping, Victoria, Australia (website)
  • Advanced MP3 Players — online and in-store — Musselburgh, Scotland, United Kingdom (website)
  • Alpha Audio Pte — online and in-store — Singapore, Singapore (website)
  • Apos Audio — online and in-store — Oakland, California, United States (website)
  • Audeos — online and in-store — Żywiec, Województwo śląskie (website)
  • Audio 46 — online and in-store — New York, New York, United States (website)
  • Audio Affair — online and in-store — Deritend, England, United Kingdom (website)
  • Audio Basic — in-store — Singapore, Singapore (website)

and 58 more verified dealers

Potato score: 88.1

88%

FiiO X7 MARK II #1
FiiO X7 MARK II variant 1
FiiO X7 MARK II variant 2
FiiO X7 MARK II variant 3
FiiO X7 MARK II variant 4

FiiO X7 MARK II

China flag
View at FiiO
Built-in DAC
Bluetooth
Wi-Fi
DSD Support
Balanced Headphone Output
Headphone Output
Touch Screen
Battery Powered
Hi-Res Audio
Gapless Playback

X7 Mark II


X7 Mark II


Thoroughly Transformed, Inside and Out

Bluetooth 4.2(aptX)

2.4/5G Wi-Fi

Hi-Res DAP

3.97 '' 480x800

Native DSD Support

3.5 SE+ 2.5 BAL

ES9028 PRO

2GB/DDR3L

8 Hours Battery Life

64GB ROM

QC2.0+MTK PE

Up to 256GB X 2

Copious 2GB RAM, 64GB of internal storage, and 2 micro-SD card slots

The X7 Mark II is among the first of its kinds in Chinese portable music players to adopt 2GB of RAM, allowing it to seriously multi-task and to provide a more fluid experience. The player also comes with 64GB of internal storage and 2 micro-SD card slots, each supporting up to 256GB expansion cards. This means that the X7 Mark II is able to hold up to a whopping 576GB of music, enough for  over 19,000 lossless music files, 30MB in size for each. With the X7 Mark II, you truly don't have to worry about leaving any of your music collection behind, wherever you go.

Flagship DAC brings more resolution, more dynamic range, more soundstage

The X7 Mark II employs the 8-channel ESS ES9028PRO DAC. With an exceptional signal-to- noise (SNR) ratio of 129dB and a remarkable total harmonic distortion plus noise (THD + N) figure of -120dB, this DAC is able to provide more resolving power, better dynamics, and better soundstage for greatly improved sound quality over its predecessor. When combined with the ability to skip Android's native audio re-sampling (ASRC) along with the ES9028PRO's unique THD compensation feature and special built-in filters, the X7 Mark II ensures that your music will sound sweet and musical, just like how it is supposed to.

All new amp module, serving up both balanced and single-ended flavors

Bundled with the X7 Mark II is the AM3A, an all-new amplifier module with both single-ended and balanced headphone outputs. The AM3A uses the widely-acclaimed AD8620 precision, wide bandwidth JFET operational amplifier as well as the tailor-made OPA926 op-amp, which was exclusively designed for the X7 Mark II to satisfy FiiO engineers' need for a high-performing part. Before settling on the AM3A's final design, over the course of a year's worth of intense internal and external testing, FiiO engineers went through three major design revisions as well as nine different PCB designs. It was only after this constant iteration that we could achieve a sound that we were truly satisfied with.

Three crystal oscillators for the ultimate reproduction of music

The X7 Mark II utilizes three separate crystal oscillators – one for the DSD and 44.1 kHz multiples sampling rates, and one for the 48kHz multiples sampling rates, as well as one for the 384 kHz sampling rate. Compared to the original X7, there are not only more crystal oscillators in the X7 Mark II but they also run at a faster rate. This guarantees that under all sampling rates there is radically reduced jitter, increased clock precision and stability, and overall more correct conversion from digital signals to analog.

Every last detail refined, all in FiiO's distinctive design language

The X7 Mark II is of a totally new design compared to the original X7, now with design elements from its little brother the X5 3rd gen. For instance, both the side-mounted volume wheel of the X7 Mark II with its etched 45° lines and the red ring that encompasses the power button are both inspired by similar touches on the X5 3rd gen. By giving the new X7 such unique flourishes, we solidify the link between the X7 Mark II and the X5 3rd gen as being part of the same, distinctive family of FiiO players. These are only some of the many details that have been thoroughly refined on the X7 Mark II to make it an exceptional portable music player.

Your eyes and fingers will thank you for in-cell touch technology

The high-definition 480*800 in-cell touchscreen of the X7 Mark II is a fantastic feast for your fingers and eyes, and also facilitates easy operation of the device.

Precisely-sized to ensure great handling

The weight and dimension of the X7 Mark II have been fine-tuned and further refined compared to the original in order to ensure that its feel in the hand is even better than before. When you pick the new X7 Mark II up, your hands will immediately know.

Length shortened by

1.2mm

Thickness reduced by

1.0mm

Weight reduced by

​​​​​​​10g

The sky's the limit with interchangeable amp modules

The X7 Mark II continues to adopt the highly flexible and groundbreaking interchangeable amp module design introduced by its predecessor. Though the new amp modules specifically designed for the new X7 are slightly different in design, the X7 Mark II is fully compatible with the original X7's various modules. Simply bolt on the included side mounts onto those amp modules and you are ready to listen!

A breakthrough in internal design yet again


Sleek lines with concealed micro-SD card slots

The concealed micro-SD card slots in the X7 Mark II are all-new, specifically designed to not only look beautiful but to also allow you to easily insert your expansion cards quickly and correctly.

In the making of the X7 Mark II, not only were better parts and hardware used, but also much thought was given to how to make a design of the internals both more reliable and less prone to EMI (electromagnetic interference). As a result, seven specific areas of the PCB are specially shielded, and there is even double shielding for the main control area and op-amps due to their importance in the maintaining excellent sound quality.

2 fast-charging technologies, so you can be 1 step ahead

Despite the X7 Mark II being thinner and lighter than its predecessor, it also packs a bigger, high -voltage fast-charging capable battery – now with a capacity of 3800mAh. And due to support for the popular QC2.0 and MTK PE quick-charging standards, the new X7 charges 2.7x faster than the original model. In merely the time it takes to watch a short movie (1.5 hours), you can fully top off the X7 Mark II's generous battery.

In a connected era, we expect a better wireless experience

Using Wi-Fi on the new X7 Mark II is a much better experience than on the original model, due to support of Wi-Fi on both the 2.4GHz and 5GHz frequency bands. This allows for more stable, stronger signal reception strength and faster speeds. In addition, FiiO has paid special attention to the internal design to ensure that all of your wireless signals, whether it be Wi-Fi, Bluetooth, etc., will not suffer from outside electromagnetic interference. All of this means that compared to the first generation, the new X7 is much better equipped to deal with EMI.

True wireless freedom with dual-mode Bluetooth


Yet even more flexibility with both optical and coaxial output

On top of the coaxial output the original X7 was capable of, the new X7 can now also output optical signals, taking the X7 to new heights in its already impressive flexibility.

Satisfy your need for speed with a deeply-customized Android 5.1

The X7 Mark II uses a version of Android 5.1 deeply customized and optimized from the core-level up for enhanced audio playback. Compared to stock Android 5.1, the version utilized in the new X7 is much faster and much less prone to freezing and stuttering for a silky-smooth experience.

Advanced automatic detection of lyrics and covers

The X7 is among the first of its kind in smart high-resolution lossless audio players to incorporate automatic detection and search of music lyrics and covers. No more having to manually search and download the correct album covers and lyrics for your tunes – saving you time and hassle.

A UI you'll fall in love with at first sight

Rejoice, UI lovers! The FiiO UI design team has specially created a new UI for the new X7, specifically optimized to be both stylish and functional in helping to get to your music quickly. The X7 Mark II also comes with three Android system-wide themes, which can be switched on the fly without having to restart the device. More themes created by FiiO will be available to download later on.

Simply intuitive device lock options

The X7 Mark II provides an intuitive interface that allows you to easily define which buttons and functions that are still active while the screen is off and locked, so you can effectively prevent accidentally unlocking your device.

More features for more control over your device

For the convenience of many customers, the Google Play framework, services, and related apps are pre-installed onto the X7 Mark II. But for those in areas where these services are not available, these apps and services can be removed to both free up space and to have less processes running in the background during normal usage.

A dock turns the new X7 into a desktop master

When at the office or at home, you can attach a special decorative accessory that will allow the X7 to be docked to the K5 – giving the X7 the flexibility to be a part of a desktop audio system that truly lets you enjoy your music.

Custom-made accessories that don't sacrifice function or form

Also included with every X7 Mark II is a leatherette case with a specially-chosen mix of materials. On the outside is leather with smooth outer grains that feel luxurious to the touch and great to handle, while on the inside there is synthetic leather material that helps to protect your investment in this unit.

Pre-applied onto every X7 Mark II is a 7H tempered glass screen protector with a 90%+ light transmittance rate. This particular screen protector is hard enough to be resistant against most scratches without compromising on how easily see-through it is.

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Professional Reviews 88/100

Rating for X7 MARK II

Nicely Roasted

Sound Quality

88/100

Build Quality

91/100

Features Usability

83/100

Value for Money

92/100

The FiiO X7 MARK II pairs impactful bass and organic warmth with smooth, revealing detail, avoiding the etched edge that can undermine portable hi-fi. The Absolute Sound highlights its nuanced textures, sweet vocal presentation, intuitive Android-based operation and polished build—an unusually complete high-resolution player for everyday listening.

What Reviewers Are Saying

"It offers beautiful build quality, a fine user interface, and sound quality that utterly belie its modest price."

— The Absolute Sound

Pros

Balances deep, impactful bass and organic warmth with smooth, revealing mids and treble, without sounding hard or etched.

Extracts abundant textural and transient detail while keeping vocals rich, sweet and free of glare.

Clear touchscreen interface, easy app installation and attractive build quality make it especially strong for everyday portable use.

SOUND QUALITY PERFORMANCE 88/100

The review finds an unusually successful balance between warmth, detail and control. It praises deep, impactful bass, smooth and revealing midrange and treble, and fine textural detail without glare, hardness or excessive spotlighting; it offers less direct evidence on background silence and performance across a wide range of headphone loads.

Transparency Resolution

94/100

The reviewer hears abundant textural and transient nuance, along with rich detail in recordings. Importantly, that resolution is said to arrive without sounding etched, hard or artificially highlighted.

Tonal Balance Musicality

94/100

The X7 MARK II is praised for taking a convincing sonic middle path, combining organic warmth and vocal sweetness with smooth, revealing mids and highs. The presentation is described as heartfelt and natural rather than cloying or overly analytical.

Dynamics

90/100

Low frequencies are described as having traction, depth and impact, while transient details remain clearly expressed. This points to an energetic, controlled presentation, though the review does not extensively discuss large-scale dynamic swings with demanding headphones.

Noise Floor

80/100

The supplied review does not directly address hiss, hum or background silence with sensitive earphones. Its praise for clean, non-glary detail is encouraging, but it is not a substitute for specific low-noise listening observations.

Headphone Compatibility

84/100

The review clearly finds the player musically satisfying in headphone listening, with bass authority and smooth detail. It does not identify the headphones used or test performance with sensitive IEMs, high-impedance dynamics or difficult planar loads, so breadth of pairing evidence is limited.

Assessments of Build Quality, Usability, and Overall Propositions.

Build Quality

91/100

The reviewer explicitly calls the build quality beautiful and pairs that observation with praise for the user interface. There is no detailed discussion of long-term durability, connector wear or low-level control behavior.

Features Usability

83/100

The X7 MARK II receives direct praise for its fine user interface, an important advantage for a portable digital audio player. The supplied material does not detail its connections, output options, gain settings, digital functions or other day-to-day facilities.

Value for Money

92/100

The reviewer says that both the sound and build quality utterly belie the product's modest price. That is strong evidence that it was considered especially compelling against expectations for its market position, although only one review directly addresses value.

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Authorized dealers for FiiO X7 MARK II

  • 110Hz — online and in-store — Kielce, Województwo świętokrzyskie, Poland (website)
  • Acoustic Technologies — online and in-store — Montréal, Québec, Canada (website)
  • Addicted to Audio — online and in-store — Epping, Victoria, Australia (website)
  • Advanced MP3 Players — online and in-store — Musselburgh, Scotland, United Kingdom (website)
  • Alpha Audio Pte — online and in-store — Singapore, Singapore (website)
  • Apos Audio — online and in-store — Oakland, California, United States (website)
  • Audeos — online and in-store — Żywiec, Województwo śląskie (website)
  • Audio 46 — online and in-store — New York, New York, United States (website)
  • Audio Affair — online and in-store — Deritend, England, United Kingdom (website)
  • Audio Basic — in-store — Singapore, Singapore (website)

and 58 more verified dealers

110Hz logo
Acoustic Technologies logo
Addicted to Audio logo
Advanced MP3 Players logo
Alpha Audio Pte logo
Apos Audio logo
Audeos logo
Audio 46 logo
Audio Affair logo
Audio Basic logo