FiiO FM21 Blue
High-resolution audio player - quad DAC CS43198 - 4.7" screen - 64 Go - Bluetooth 5.0 LDAC/aptX HD/LHDC - Wi-Fi - microSD - USB-C - Android 13
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High-resolution audio player
The FiiO M21 is a high-resolution portable audio player designed for wired and wireless music listening. It is aimed at users looking for a compact player running Android 13, capable of managing a local library, compatible applications and multiple listening modes. With its 4.7-inch screen, its 3.5 mm and 4.4 mm balanced headphone outputs, it is suitable both for on-the-go use and for a desktop audio setup.

Complete audio architecture
The FiiO M21 integrates a Qualcomm Snapdragon 680 processor, 4 GB of RAM and 64 GB of internal storage, expandable via microSD card up to 2 TB. Its audio design is based on four CS43198 DACs and a fully balanced architecture with two-stage amplification. It offers a 3.5 mm headphone output, a 4.4 mm balanced output, line functions and a coaxial output via the 3.5 mm port.
The player supports bidirectional Bluetooth 5.0, with LDAC, LHDC, aptX and aptX HD transmission. Its 4000 mAh battery provides up to 15 hours of battery life via the unbalanced output and supports fast PD charging.
Main features:
- High-resolution portable audio player running Android 13
- Qualcomm Snapdragon 680 processor with 4 GB of RAM
- Quad CS43198 DAC with fully balanced audio architecture
- 64 GB internal storage, expandable via microSD card up to 2 TB
- 4.7-inch touchscreen with 750 x 1334 pixel resolution
- Bidirectional Bluetooth 5.0 with LDAC, LHDC, aptX and aptX HD
- 4000 mAh battery with up to 15 hours of battery life and fast PD charging
- 3.5 mm and 4.4 mm balanced headphone outputs
Select your criteria
General information |
Product name |
FiiO FM21 Blue |
Brand |
FiiO | |
Model |
FIIM21BL | |
Main characteristics |
MP3 player type |
Memory card |
| Flash memory | ||
Capacity |
64 GB | |
High-Res audio |
Yes | |
Supported audio format(s) |
MP3 | |
Camera |
No | |
Dictaphone |
No | |
Bluetooth |
Yes | |
Sport/Running |
No | |
Tuner |
FM tuner |
No |
Screen |
Touch screen |
Yes |
Color display |
Yes | |
Screen size |
4.7 inches | |
Connectivity |
Audio outputs |
Headphone (3.5mm Jack Female) |
| Balanced 4.4 mm jack | ||
Interface with the computer |
USB Type C | |
Audio specifications |
Signal-to-noise ratio |
124 dB |
Réponse en fréquence (min) |
20 Hz | |
Frequency response (max) |
85 kHz | |
Power supply |
Power supply type |
Lithium-ion battery |
Battery life |
15 Hour(s) | |
Physical characteristics |
Waterproof |
No |
Color |
Blue | |
Length |
68 mm | |
Width |
121 mm | |
Thickness |
17 mm | |
Weight |
193 g | |
Warranties |
Commercial warranty |
Seller 2 years
|
Legal warranty |
See terms & conditions
|
See all FiiO products
Product referenced on 5 May 2026
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