FiiO M21 Portable High-Res Lossless Music Player
Best portable player for audiophiles seeking high-fidelity sound on the go.
Immerse yourself in high-fidelity audio with the FiiO M21 portable music player. Powered by a Qualcomm Snapdragon 680 processor and Android 13, it delivers seamless operation and efficient performance. The M21 boasts an advanced audio architecture featuring Quad CS43198 DACs and dual-stage amplification for exceptional sound clarity and dynamic range. Its innovative Desktop Mode extends battery life by preventing charging when connected to external power. Enjoy versatile connectivity with dual headphone outputs (3.5mm + 4.4mm) and SPDIF/USB audio, ensuring pristine sound with reduced jitter. Navigate effortlessly on the vibrant 4.7-inch touch screen, with ample 64GB storage expandable for your entire music library.
$329.99
More M Series Options
Owner Satisfaction
4.5
/ 5
Category Rank
31
/ 158
#31 in MP3 Players
Price vs Category Average
-72%
Below average
Brand
FiiO
/ FiiO
Who it's for
- Audiophiles seeking studio-grade sound quality and format versatility
- Listeners using power-hungry, high-impedance professional headphones
- Music lovers wanting streaming app access with high-fidelity output
Who should skip it
- Casual listeners on a strict budget
- Commuters prioritizing lightweight, pocket-friendly devices
- Travelers needing long-lasting battery for extended listening sessions
Performance breakdown
Audio Fidelity
Quad DAC architecture delivers studio-grade clarity and exceptional dynamic range.
Processing Speed
Snapdragon 680 ensures snappy navigation and lag-free Android 13 performance.
Connectivity Versatility
Dual headphone outputs and digital options cater to every audiophile setup.
Battery Efficiency
Desktop Mode intelligently preserves battery health during long listening sessions.
Interface Fluidity
The 4.7-inch touch screen provides a responsive and intuitive user experience.
Portability
Compact enough for travel while maintaining a substantial, premium feel.
Key Specs
Brand
FiiO
Model
M21
Operating System
Android 13
Processor
Qualcomm Snapdragon 680
DAC
Quad CS43198
Storage
64GB
Screen Size
4.7 inches
Weight
193g
Features
- High-fidelity lossless audio playback
- Smooth Android 13 experience
- Exceptional sound clarity with Quad DACs
- Extended battery life with Desktop Mode
- Versatile headphone output options
- Intuitive 4.7-inch touch screen
- Ample expandable storage
- Powerful Snapdragon 680 processor
What customers say
The FiiO M21 earns high praise primarily for its exceptional sound quality. Users consistently celebrate the detailed resolution, expansive soundstage, and powerful amplification that easily handles demanding headphones. The audio output is noted for its clarity and neutrality, offering a true representation of the recording. Build quality is also a strong point, featuring a premium and durable chassis. While the high price point prompts value discussions, and minor software lag is occasionally mentioned, the overall consensus is clear. The M21 delivers a top-tier portable listening experience, satisfying serious enthusiasts who prioritize pure audio fidelity above all else.
Know before you buy
The use of four DAC chips allows the M21 to achieve a higher signal-to-noise ratio and better dynamic range. This architecture effectively reduces distortion, resulting in a cleaner, more detailed sound profile compared to players with single or dual DAC setups.
Desktop Mode allows you to bypass the internal battery when the player is connected to an external power source. This prevents the battery from constantly charging while in use, which helps reduce heat and extends the overall lifespan of the battery.
Yes, because the M21 runs on Android 13, you can install most popular music streaming services directly from the Google Play Store. It functions much like a dedicated smartphone for your audio library.
Yes, the device features both a 3.5mm single-ended output and a 4.4mm balanced output. This ensures compatibility with a wide range of wired headphones and IEMs without needing external adapters.
While 64GB provides a solid starting point, high-resolution lossless files can take up significant space quickly. Fortunately, the M21 includes an expandable storage slot, allowing you to add a microSD card to accommodate larger music libraries.
The Snapdragon 680 ensures that the Android 13 interface remains responsive and fluid. It handles high-resolution audio decoding and app multitasking without the lag or stuttering often found in older, less powerful portable players.
Still have a question?
Ask Hayley anything about this product before you decide.