FiiO M23 Hi-Res Portable Music Player

FiiO M23 Hi-Res Portable Music Player — image 1
FiiO M23 Hi-Res Portable Music Player — image 2
FiiO M23 Hi-Res Portable Music Player — image 3
FiiO M23 Hi-Res Portable Music Player — image 4
FiiO M23 Hi-Res Portable Music Player — image 5
FiiO M23 Hi-Res Portable Music Player — image 6
FiiO M23 Hi-Res Portable Music Player — image 7
FiiO M23 Hi-Res Portable Music Player — image 8
FiiO M23 Hi-Res Portable Music Player — image 9
81%
19%
93%
Sound Quality
89%
Streaming App Compatibility
88%
Build Quality
61%
Portability
67%
Battery Life
94%
DAC Performance
86%
Headphone Output Power
69%
Software & UI
91%
Lossless Format Support
87%
Connectivity Options
82%
Display
78%
Storage & Expandability
72%
Value for Money
83%
Ecosystem Integration
74%
Unboxing & Accessories
More

Overview

The FiiO M23 Hi-Res Portable Music Player is FiiO's most deliberate push into flagship Android DAP territory, and it shows in every hardware choice. At the center of the device sits AKM's AK4191EQ + AK4499EX DAC pairing — chosen not for spec-sheet bragging rights but for its warm, balanced, and unhurried sound character. A large 5.5-inch display and Android 10 OS set this apart from the stripped-down players that dominate the category. There is even a desktop mode for home listening sessions, a practical addition that few portable players bother to include. This is a considered purchase for a niche, discerning audience — not an impulse buy.

Features & Benefits

The AK4191EQ + AK4499EX DAC combination is the engineering story here. AKM designed this pairing for a relaxed, natural presentation — the kind that holds up over long listening sessions without fatigue. One of the M23's most practical advantages is the global SRC bypass built into Android 10: streaming Apple Music, Tidal, or Amazon Music actually delivers the lossless quality those services promise, not a quietly downsampled substitute. The 4.4mm balanced output handles demanding headphones well, while the 3.5mm jack covers everything else. Desktop mode boosts output power for larger over-ear cans and extends battery life in the process. Roon Ready, AirPlay, USB DAC, global PEQ, and ALL TO DSD conversion round out a remarkably complete feature set.

Best For

This DAP makes the most sense for a specific kind of buyer: someone who has already outgrown their smartphone's audio output and wants a dedicated device for both home and portable listening. Owners of high-impedance headphones and planar magnetic cans will find desktop mode particularly useful for extracting full performance without a separate amplifier. If you are already subscribed to Apple Music or Tidal and want to hear those lossless tracks properly, the M23 is a strong match. Casual listeners or those without a serious headphone collection will likely find the price hard to justify. This rewards committed audiophiles — not background music browsers who rarely think about what they are actually hearing.

User Feedback

With 69 ratings and a 4.1 out of 5 average, early reception for FiiO's flagship player leans positive but not without reservations. The most consistent praise centers on audio performance and the quality of the aluminum build — buyers who invest in this category know what they are listening for, and most seem satisfied. Streaming app compatibility also gets favorable mentions, which matters given how often Android DAPs fumble that particular detail. On the downside, the weight at 1.46 pounds gets called out regularly — it is a real consideration for daily carry. Android 10 is showing its age, and a handful of users report occasional UI sluggishness. Battery life in real-world use tends to disappoint versus rated specs. Worth noting: 69 ratings is still a limited sample.

#MP3 & MP4 Players
#Portable Audio & Video
#Electronics

Pros

  • The AKM DAC pairing produces a natural, fatigue-free sound that rewards extended listening sessions.
  • Global SRC bypass ensures Apple Music and Tidal lossless tracks actually play at full quality.
  • Desktop mode unlocks serious output power for demanding headphones without a separate amplifier.
  • Both 3.5mm and 4.4mm balanced outputs cover virtually every headphone cable termination on the market.
  • Roon Ready certification makes integration into an existing audiophile home setup completely straightforward.
  • The aluminum chassis feels genuinely premium and communicates build confidence from the first handling.
  • ALL TO DSD and global PEQ give technically minded listeners meaningful control over their sound.
  • 5G Wi-Fi and AirPlay support allow flexible use across both portable and home audio scenarios.
  • 64 GB base storage plus Micro SD expansion means local library size is never a hard limit.
  • USB DAC mode lets the M23 double as a desktop DAC for a computer-based listening setup.

Cons

  • At 1.46 pounds, daily carry in a jacket or trouser pocket becomes genuinely uncomfortable over time.
  • Android 10 is several OS versions behind current, raising legitimate concerns about long-term app compatibility.
  • Real-world battery life under full streaming load consistently falls short of the rated figures.
  • The accessory bundle is minimal for the price — no case or screen protection is included.
  • Occasional UI lag and sluggishness have been reported, particularly when switching between apps.
  • The base 64 GB storage fills up fast with DSD and high-bitrate FLAC files, making Micro SD expansion effectively mandatory.
  • Roon Ready functionality requires a separate, paid Roon subscription to use — that cost adds up.
  • The rating pool of 69 reviews is still relatively small, so long-term reliability trends are not yet fully established.

Ratings

The FiiO M23 Hi-Res Portable Music Player has been evaluated by our AI rating system after analyzing verified global user reviews, with spam, bot-generated, and incentivized feedback actively filtered out. The scores below reflect a transparent picture of where this DAP genuinely excels and where real buyers have run into friction. Both the standout strengths and the honest pain points are represented in every category.

Sound Quality
93%
This is the area where the M23 earns its price of entry without argument. The AKM DAC pairing produces a wide, natural soundstage that holds up across genres — listeners describe it as relaxed and detailed without being clinical. Extended listening sessions at home rarely cause fatigue.
A small number of users with very analytical listening habits feel the tuning leans slightly warm, which can soften the leading edge of transients. Those who prefer a more precise, forward presentation may find this character less to their taste.
Streaming App Compatibility
89%
The global SRC bypass on Android 10 is a genuine differentiator here. Apple Music, Tidal, and Amazon Music all deliver their lossless tiers without Android quietly resampling the signal — something many rival DAPs still fail to handle correctly. Users switching from smartphones report an immediately noticeable improvement.
Android 10 is aging, and a handful of apps outside the main streaming trio occasionally behave inconsistently or require manual configuration. Users who rely on niche or region-specific music apps may need to verify compatibility before committing.
Build Quality
88%
The dark blue aluminum alloy chassis feels solid and premium in hand — buyers consistently describe it as a device that communicates its price tier before you even power it on. The fit and finish around the ports and buttons is tight, with no reported creaking or flex.
The weight — 1.46 pounds — is the inevitable trade-off of that robust construction. For daily commuters or gym use, this is a real consideration that several buyers underestimated before purchase. It is more at home in a bag or on a desk than clipped to a jacket.
Portability
61%
39%
The M23 does technically fit in a large coat pocket, and the 5.5-inch screen makes on-the-go navigation genuinely comfortable. For listeners who primarily use it during seated commutes or travel with a bag, the size is manageable.
At 1.46 pounds, this DAP challenges the definition of portable for many buyers. Multiple users specifically call out the weight as a daily-carry dealbreaker, and the large footprint makes it impractical for running, gym sessions, or light-pocket use.
Battery Life
67%
33%
In desktop mode and lower-output scenarios, the M23 manages reasonable endurance that satisfies most home listening sessions. Users who primarily stream over Wi-Fi at home report the battery holds up well through extended evening sessions.
Real-world battery performance under full load — streaming lossless audio over 5G Wi-Fi with the balanced output active — consistently falls short of rated figures according to user reports. For a device at this price tier, a wider gap between rated and actual endurance is a recurring frustration.
DAC Performance
94%
The AK4191EQ and AK4499EX chip combination is widely acknowledged among audiophile forum users as one of the most capable DAC pairings in a portable device. Channel separation, noise floor, and dynamic range all test at exceptional levels, which translates to a noticeably cleaner, more resolved listening experience.
The performance ceiling is only reachable with well-recorded, high-resolution source material and quality headphones. Users with entry-level IEMs or compressed audio libraries may hear very little difference from a far more affordable player, which can make the DAC investment feel disproportionate.
Headphone Output Power
86%
Desktop mode makes a real, audible difference when driving high-impedance over-ear headphones. Buyers with planars and demanding dynamic drivers report that the M23 reaches satisfying volume levels with noticeable control — something most portable DAPs in this category cannot claim.
While desktop mode addresses the power gap, it does so at the cost of battery endurance and some portability. Standard portable output mode is strong but falls slightly short for the most demanding headphone loads, so full benefit requires being tethered to a session rather than on the move.
Software & UI
69%
31%
Android 10 gives the M23 genuine flexibility — installing streaming apps, adjusting PEQ settings, and navigating the interface are all more intuitive than on closed-OS players. The large 5.5-inch screen makes text and album art comfortable to read without squinting.
Android 10 is several versions behind current, and some users report occasional interface lag, especially when switching between apps. The OS age is the most common long-term concern raised in reviews — software updates have been limited, and there is no clear roadmap for a newer Android version.
Lossless Format Support
91%
DSD, MQA, FLAC, and standard lossless PCM formats are all handled natively and without conversion artifacts. The ALL TO DSD upsampling mode adds a layer of flexibility for listeners who prefer everything processed through a unified DSD pipeline.
MQA support, while present, is a declining industry standard following MQA Ltd.'s business difficulties. Users who built libraries around MQA titles may find the long-term value of that feature uncertain, though it has no effect on standard lossless playback.
Connectivity Options
87%
5G Wi-Fi, Bluetooth, USB DAC mode, and AirPlay together cover nearly every use case — from wireless streaming to a speaker system to wired desktop DAC duties. Roon Ready certification is a meaningful addition for users already inside the Roon ecosystem.
Bluetooth codec support, while functional, is not the strongest aspect of this DAP compared to dedicated Bluetooth DACs. Users who primarily need wireless headphone output may find the Bluetooth implementation adequate but not exceptional at this price point.
Display
82%
18%
The 5.5-inch screen is genuinely generous for a DAP and makes browsing large music libraries, reading album metadata, and controlling streaming apps feel comfortable. Brightness levels are sufficient for indoor use and most outdoor shade conditions.
Direct sunlight readability is limited, which matters for outdoor listening. The display is functional and well-sized but does not match the premium caliber of the audio hardware — it reads more as a practical tool than a showcase feature.
Storage & Expandability
78%
22%
64 GB of onboard storage covers a solid local library of high-resolution files, and Micro SD expansion means there is no hard ceiling if your collection grows. Users who maintain offline libraries report the setup works cleanly without indexing issues.
64 GB fills up quickly with DSD and high-bitrate FLAC files, so Micro SD expansion is less optional than it appears. The reliance on expansion cards rather than a more generous base storage feels like a compromise at this price tier.
Value for Money
72%
28%
For the audiophile buyer who will actively use the DAC quality, the streaming integration, and the balanced output, the M23 delivers a genuinely high-performance experience that dedicated desktop equipment would cost considerably more to replicate. The feature set is hard to match at the price.
For anyone outside the core audiophile use case, the price is extremely difficult to justify. Even within the target audience, some buyers feel the aging Android version and battery performance shortfalls are harder to accept given the investment required.
Ecosystem Integration
83%
Roon Ready status, AirPlay support, and USB DAC functionality allow the M23 to slot into an existing home audio setup without friction. Users with established Roon libraries or AirPlay speaker systems report the integration works reliably and adds genuine convenience.
Setup to unlock the full ecosystem potential requires technical familiarity — Roon requires a separate server subscription, and AirPlay configuration can be non-obvious for first-time users. Out-of-the-box, some of these features require more effort than buyers expect.
Unboxing & Accessories
74%
26%
The included cable and overall packaging presentation are consistent with a premium product — buyers report that the unboxing experience matches their expectations for the price tier. The device arrives well protected and ready to use with no obvious assembly required.
The accessory bundle is minimal relative to the price. A quality carrying case or screen protector would be a reasonable inclusion but is absent, meaning most buyers immediately factor in additional accessory costs to protect what is a substantial hardware investment.

Suitable for:

The FiiO M23 Hi-Res Portable Music Player is built for a specific kind of listener, and for that listener, it is hard to fault. If you own high-impedance over-ear headphones or planar magnetic drivers that typically demand a desktop amplifier, desktop mode gives you that level of output in a device you can actually move around the house or pack in a bag. Subscribers to Apple Music, Tidal, or Amazon Music who have always suspected their smartphone was quietly undermining lossless playback will find the global SRC bypass a genuinely meaningful upgrade — it does what those apps actually promise. Roon users, in particular, will appreciate the certified integration, which removes any friction from incorporating this DAP into an existing home audio ecosystem. Anyone building a serious listening setup who wants one device to handle both bedside and commute duties, without carrying a separate DAC and amplifier stack, will get real mileage out of this.

Not suitable for:

The FiiO M23 Hi-Res Portable Music Player is a poor match for buyers who have not yet invested significantly in quality headphones — the audio hardware simply has no room to show its strengths without a capable transducer on the other end. At 1.46 pounds, this is also the wrong choice for anyone who needs a true on-the-go companion for gym sessions, running, or light daily carry in jeans pockets; the weight and footprint will become a daily frustration quickly. Android 10 is aging, and buyers who care about long-term software support or expect seamless compatibility with every streaming app should factor that in honestly before purchasing. Casual listeners who primarily stream background music or podcast audio will find the price tier impossible to justify — the nuances this DAP delivers require active, attentive listening to appreciate. If your current headphones are entry-level or you have no plans to upgrade them, the return on this investment will be marginal at best.

Specifications

  • DAC Chips: The M23 uses AKM's AK4191EQ and AK4499EX in combination, a flagship pairing known for a balanced, natural sound signature with a wide dynamic range.
  • Processor: A Qualcomm Snapdragon 660 octa-core processor handles the Android OS, app management, and audio processing tasks.
  • Operating System: Android 10 is installed with a global SRC bypass enabled, allowing lossless audio passthrough from compatible streaming applications.
  • Display: A 5.5-inch touchscreen display provides navigation, library browsing, and app control in a readable, comfortable format.
  • Internal Storage: 64 GB of onboard storage is included for local music libraries and app data.
  • Storage Expansion: A Micro SD card slot allows local storage to be expanded beyond the built-in 64 GB capacity.
  • Headphone Outputs: Two physical output jacks are provided: a 3.5mm single-ended output and a 4.4mm balanced output for wider headphone compatibility.
  • Wireless Connectivity: 5G Wi-Fi (802.11ac), Bluetooth, and AirPlay are all supported for wireless audio streaming and device integration.
  • Wired Connectivity: USB connectivity enables USB DAC mode, allowing the M23 to function as an external DAC for a connected computer.
  • Supported Formats: Native playback of DSD, MQA, FLAC, WAV, and standard lossless PCM formats is supported without conversion or quality loss.
  • Special Modes: Desktop Mode, ALL TO DSD upsampling, and a global parametric EQ (PEQ) are available as dedicated audio processing options.
  • Streaming Apps: Apple Music, Tidal, and Amazon Music are confirmed compatible for lossless-quality streaming via the global SRC bypass.
  • Certifications: The M23 carries Roon Ready certification, enabling direct, low-latency integration with the Roon audio management platform.
  • Weight: The device weighs 1.46 pounds (approximately 662 grams), reflecting its aluminum alloy construction and internal hardware density.
  • Body Material: The chassis is machined from aluminum alloy, available in a dark blue finish that resists fingerprints and minor surface wear.
  • Battery: A built-in rechargeable lithium-ion battery is included; real-world endurance varies depending on output mode and streaming activity.
  • In the Box: The package includes the M23 unit and a cable; no carrying case or screen protector is included in the standard bundle.
  • Compatibility: The device is compatible with headphones and speakers via its 3.5mm and 4.4mm outputs, and supports Micro SD media for local file storage.

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FAQ

This is one of the M23's most practical advantages. The global SRC bypass in the firmware prevents Android from resampling the audio signal, so Apple Music Lossless and Hi-Res Lossless streams play at their native quality. Most smartphones and many Android DAPs quietly resample everything to 48kHz — this one does not.

Yes, since it runs Android 10 you can sideload APKs or use alternative app sources. Spotify, YouTube Music, and similar apps can be installed and generally work fine for standard streaming. Keep in mind that apps relying on Widevine DRM for HD video or offline downloads may have limited functionality, but for audio streaming purposes most apps are usable.

Desktop mode increases the output power available to your headphones and also extends battery life by drawing from a more conservative power profile. It is best used when the M23 is sitting on a desk or nightstand rather than in a bag or pocket. If you own high-impedance or planar magnetic headphones that normally need a dedicated amplifier, desktop mode makes a noticeable difference in control and volume headroom.

If your headphones or IEMs have a 4.4mm termination, the balanced output is worth using — you get lower noise floor, better channel separation, and slightly more power. If your cables are 3.5mm, the single-ended output is still excellent and more than capable for most listening. Whether it is worth recabling depends on how serious you are about squeezing the last bit of performance out of your setup.

At 1.46 pounds it is genuinely heavy for a portable device — heavier than most current smartphones. It fits in a jacket or coat pocket without much trouble, but trouser or jeans pockets are uncomfortable, and you will feel the weight over a long commute. Most buyers end up carrying it in a bag rather than on their person, which is worth factoring into your expectations before purchasing.

Yes, USB DAC mode is supported. You connect the FiiO M23 Hi-Res Portable Music Player to a computer via USB, select USB DAC mode in the settings, and the device handles the digital-to-analog conversion for your computer's audio output. It works on both Windows and Mac, though Windows may require a driver installation while Mac is typically plug-and-play.

Android 10 is a legitimate concern worth acknowledging honestly. It runs most current streaming apps without issue, but it is several versions behind the current Android release. Some apps have already started dropping support for older Android versions, and there is no confirmed update roadmap from FiiO for a newer OS version. For now it works well, but long-term software support is the biggest open question for this device.

Roon is entirely optional — the M23 works perfectly well without it. Roon Ready certification simply means that if you already pay for a Roon subscription and have a Roon Core running on a server or NAS, the M23 will show up as a certified endpoint with full functionality. If you have never used Roon, it has no bearing on the day-to-day experience of the device.

Real-world battery life during active lossless streaming over 5G Wi-Fi with the balanced output in use tends to fall noticeably short of the rated figures. Most users in this usage pattern report the battery lasting a meaningful but not exceptional number of hours. Desktop mode can help extend endurance somewhat in static home listening scenarios, but heavy portable use will require charging more frequently than the specs might suggest.

The M23 is a strong match for mid-to-high impedance dynamic driver headphones, planar magnetics, and demanding IEMs that benefit from a clean, powerful signal. Brands like Sennheiser, Hifiman, Audeze, and similar audiophile-grade options are frequently mentioned in pairing discussions. Very sensitive IEMs with low impedance should work well via the 3.5mm output, though extremely sensitive IEMs may surface a low noise floor — worth checking against your specific model before purchasing.

Where to Buy

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FiiO M23 Hi-Res Portable Music Player
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FiiO M23 Hi-Res Portable Music Player
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