FiiO M21 blue
FiiO M21 blue
The FiiO M21 Portable High-Res Lossless Music Player is powered by an advanced octa-core Qualcomm Snapdragon 680 processor and runs on a custom Android 13 system. At the heart of the FiiO M21 player are four flagship Cirrus Logic CS43198 dual DACs, complemented by a pair of OPA1692 operational amplifiers and a pair of SGM8262-2s in a fully balanced configuration. This setup ensures ultra-low distortion and a wide dynamic range. It also offers two-way Bluetooth 5.0 with Hi-Res LDAC, aptX HD, LHDC, and SBC/AAC codecs for high-quality audio streaming and reception. The asynchronous USB DAC mode supports up to 768kHz/32bit PCM and DSD512, transforming any computer into a high-end audio system.
Key features of the FiiO M21 MP4 player, blue
- Portable high-res music player
- Delivers clean and powerful sound
- Qualcomm Snapdragon 680 processor
- 4× Cirrus Logic CS43198 DAC chip
- 2× OPA1692 and 2× SGM8262-2 amplifiers
- Fully balanced output
- Android 13 operating system
- 4.7" bezel-less touchscreen with 750×1334px resolution
- Button-based volume control
- Shutdown timers (supports sleep and idle modes)
- D2.0 and PD3.0 fast charging (approx. 1.5-hour charging time with PD3.0)
- Support for streaming apps
A powerful audiophile player for any setup
The FiiO M21 delivers up to 700mW + 700mW of power in balanced mode, effortlessly driving even demanding headphones. Three gain levels (low, medium, high) adapt perfectly to any IEMs and over-ear headphones. Both streaming and local playback are uncompromising thanks to the proprietary DAPS (Digital Audio Purification System), a pair of custom femtosecond crystal oscillators, and an advanced segmented power supply. With its balanced 4.4mm and unbalanced 3.5mm outputs, SPDIF, line-out mode, and USB-C for data and audio, the FiiO M21 adapts to any audiophile setup.
The FiiO M21 player was built for true portability
The FiiO M21 MP4 player weighs just 156g and is only 13mm thick. It also features a vibrant 4.7" HD display for easy control. The robust 2400mAh battery provides up to 12.5 hours of playback in unbalanced mode or 9.5 hours in balanced mode, while fast charging takes approximately 2 hours.
Technical specification
Operating modes: Android, Pure Music, AirPlay, USB DAC, Bluetooth Receiver
Firmware updates: Local storage, memory card, OTA
RAM: 4GB
Memory card slot: 1× microSD, up to 2TB (theoretically)
Adaptive impedance: PO: 8–350Ω, BAL: 8–350Ω
Channel separation: L20, R20 (0.5dB per level)
Special decoding: MQA full decoding, All to DSD
Equaliser: 10-band dynamic EQ (±12dB), 8 presets, custom setting
Wi-Fi: 2.4GHz/5GHz, DLNA, AirPlay, Wi-Fi track transfer, Roon Ready
Bluetooth reception/transmission (5.0): SBC, AAC, LDAC / SBC, AAC, aptX, aptX HD, LDAC, LHDC
FiiO Link: Wi-Fi + Bluetooth control (Android), Bluetooth control (iOS)
USB DAC mode: Up to 384kHz/32bit, DSD256 (Native)
USB Audio: Up to 768kHz/32bit, DSD512 (DoP/D2P/Native)
Coaxial output: Up to 384kHz/24bit, DSD128 (DoP)
Buttons and controls: Power, multi-function button, volume, Play/Pause, previous, next
Switches: HOLD switch, D.MODE switch
Line Out (LO): Standard 3.5mm (shared with PO)
Balanced Line Out (BAL LO): Standard 4.4mm (shared with BAL)
COAX output: 3.5mm (shared with PO)
Output power PO (3.5mm) USB DAC Super High Gain: ≥480mW + 480mW (16Ω), ≥405mW + 405mW (32Ω), ≥45mW + 45mW (300Ω)
SNR: ≥124dB (A-weighted)
THD+N: ≤0.0003% (1kHz/-4dB@32Ω)
Frequency response: 20Hz–85kHz (≤2dB), 20Hz–20kHz (≤0.02dB)
Crosstalk: ≥74dB
Output impedance: ≤1Ω
Noise level: ≤2μV (A-weighted)
Dynamic range: ≥124dB
Output power PO (3.5mm) USB DAC High Gain: ≥380mW + 380mW (16Ω), ≥290mW + 290mW (32Ω), ≥35mW + 35mW (300Ω)
Output power BAL (4.4mm) USB DAC Super High Gain: ≥540mW + 540mW (16Ω), ≥950mW + 950mW (32Ω), ≥185mW + 185mW (300Ω)
SNR BAL: ≥126dB (A-weighted), crosstalk BAL: ≥109dB,
Maximum output voltage: 21.2Vp-p
Output impedance / noise level / dynamic range BAL: ≤1.5Ω / ≤2.7μV (A-weighted) / ≥125dB
Output power BAL (4.4mm) USB DAC High Gain: ≥600mW + 600mW (16Ω), ≥720mW + 720mW (32Ω), ≥90mW + 90mW (300Ω)
THD+N line-out: ≤0.0005% (1kHz/-5dB@10kΩ)
Crosstalk / line-out level: ≥111dB / 1.9Vrms (SE), 3.9Vrms (BAL)
Battery life: 15h (3.5mm SE), 12.5h (4.4mm BAL)
Specifications
Memory
Connection
Supported formats
Features and functions
Display
Characteristics
Battery
Dimensions and weight
Package contents
Colour
Power outlet type
| Code: | FIIOmp01 |
| Warranty: | 24 months |
| Links: | Producer's Website: |
| Manufacturer information |
S.I.C. spol s r.o., Na Folimance 2155/15 120 00 Praha 2, [email protected], +420 222 505 045 
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