FiiO M21 High Res Lossless Music Player
In stock
Features
| Optical Digital Output | No |
|---|---|
| Brand Color | None |
| AUX In | No |
| RCA Output | No |
| Coaxial Digital Output | No |
| Warranty The length of time your product is protected by warranty | 1 Year |
| Product Type | Other |
Tech Specs
SIZE & WEIGHT
- Dimensions - 68 mm x 121 mm x 17 mm
- Weight - 193 g
GENERAL SPECIFICATIONS
- Model - M21
- Hardware Solution - SoC: Qualcomm Snapdragon 680, DAC: CS43198 ×4, Amp: OPA1692 ×2 + SGM8262-2 ×2
- Working Modes - Android / Pure Music / AirPlay / USB DAC / Bluetooth Receiving
- Color - Titanium Gold / Dark Blue
- Display - 4.7-inch (750x1334) bezel-less screen
- Volume Control - Button control
- Internal Storage (ROM) - 64 GB (About 52 GB available)
- RAM - 4 GB
- Memory Card - Single microSD, up to 2 TB (theoretical)
- Adaptive Impedance - PO: 8~350 Ω, BAL: 8~350 Ω
- Channel Balance - L20 ~ R20 (0.5 dB per level)
BUTTONS & PORTS
- Buttons - Power, Multifunction, Volume +/-, Play/Pause, Previous, Next
- Toggle Switch - HOLD switch, D.MODE switch
- USB - Type-C USB3.0 (charging/data), Type-C POWER IN (independent power)
- Headphone Out - 3.5 mm
- BAL Headphone Out - 4.4 mm
- Line Output - 3.5 mm (shared PO)
- BAL Line Output - 4.4 mm (shared BAL)
- COAX Headphone Out - 3.5 mm (shared PO)
- Exposed Contacts - Connects to cassette-style protective case
SPECIAL FUNCTIONS
- WiFi - 2.4 GHz / 5 GHz, DLNA, AirPlay, WiFi transfer, Roon Ready
- Bluetooth Transmission - 5.0 (AAC / SBC / aptX / aptX HD / LDAC / LHDC)
- Bluetooth Reception - 5.0 (SBC / AAC / LDAC)
- FiiO Link - Android (WiFi & Bluetooth), iOS (Bluetooth)
- MQA - Full decoding supported
- All to DSD - Supported
- EQ Adjustment - 10-band EQ ±12 dB, 8 presets, custom EQ
- Navigation - Gesture / 2-button / 3-button
- Double Tap to Wake - Supported
- Power Off Timers - Sleep / Idle
- Firmware Upgrade - Local / Memory Card / OTA
POWER SUPPLY
- Fast Charging - D2.0 and PD3.0 supported
- Charging Time - About 1.5 h (PD3.0)
- Battery Life (3.5 mm) - 15 h (Vol 44, High Gain, Display OFF, MP3 44kHz/16bit, 32 Ω)
- Battery Life (4.4 mm) - 12.5 h (Vol 33, High Gain, Display OFF, MP3 44kHz/16bit, 32 Ω)
AUDIO PARAMETERS
- PO (3.5 mm, USB DAC, Super High Gain Mode)
- Output Power - L+R ≥480 mW+480 mW (16 Ω), ≥405 mW+405 mW (32 Ω), ≥45 mW+45 mW (300 Ω)
- Output Impedance - <1 Ω
- Crosstalk - ≥74 dB
- Peak Output Voltage - 10.6 Vp-p
- SNR - ≥124 dB (A-weighted)
- THD+N - <0.0003% (1 kHz/-4 dB @32 Ω)
- Frequency Response - 20 Hz ~ 85 kHz (attenuation <2 dB), 20 Hz ~ 20 kHz (attenuation <0.02 dB)
- Noise Floor - <2 uV (A-weighted)
- Dynamic Range - ≥124 dB (A-weighted)
- PO (3.5 mm, USB DAC, High Gain Mode)
- Output Power - L+R ≥380 mW+380 mW (16 Ω), ≥290 mW+290 mW (32 Ω), ≥35 mW+35 mW (300 Ω)
- Output Impedance - <1 Ω
- Crosstalk - ≥74 dB
- Peak Output Voltage - 9.5 Vp-p
- SNR - ≥123 dB (A-weighted)
- THD+N - <0.0004% (1 kHz/-4 dB @32 Ω)
- Frequency Response - 20 Hz ~ 85 kHz (attenuation <2 dB), 20 Hz ~ 20 kHz (attenuation <0.02 dB)
- Noise Floor - <2.1 uV (A-weighted)
- Dynamic Range - ≥123 dB (A-weighted)
LO (Line Output)
- THD+N - <0.0005% (1 kHz/-5 dB @10 kΩ)
- SNR - ≥122 dB (A-weighted)
- Crosstalk - ≥111 dB
- Noise Floor - <1.6 uV (A-weighted)
- Frequency Response - 20 Hz ~ 85 kHz (attenuation <1.8 dB), 20 Hz ~ 20 kHz (attenuation <0.02 dB)
- Output Level - 1.9 Vrms
- Dynamic Range - ≥122 dB (A-weighted)
- BAL (4.4 mm, USB DAC, Super High Gain Mode)
- Output Power - L+R ≥540 mW+540 mW (16 Ω), ≥950 mW+950 mW (32 Ω), ≥185 mW+185 mW (300 Ω)
- Output Impedance - <1.5 Ω
- Crosstalk - ≥109 dB
- Peak Output Voltage - 21.2 Vp-p
- SNR - ≥126 dB (A-weighted)
- THD+N - <0.0005% (1 kHz/-12 dB @32 Ω)
- Frequency Response - 20 Hz ~ 85 kHz (attenuation <2 dB), 20 Hz ~ 20 kHz (attenuation <0.03 dB)
- Noise Floor - <2.7 uV (A-weighted)
- Dynamic Range - ≥125 dB (A-weighted)
- BAL (4.4 mm, USB DAC, High Gain Mode)
- Output Power - L+R ≥600 mW+600 mW (16 Ω), ≥720 mW+720 mW (32 Ω), ≥90 mW+90 mW (300 Ω)
- Output Impedance - <1.5 Ω
- Crosstalk - ≥109 dB
- Peak Output Voltage - 15 Vp-p
- SNR - ≥125 dB (A-weighted)
- THD+N - <0.0005% (1 kHz/-8 dB @32 Ω)
- Frequency Response - 20 Hz ~ 85 kHz (attenuation <2 dB), 20 Hz ~ 20 kHz (attenuation <0.03 dB)
- Noise Floor - <2.7 uV (A-weighted)
- Dynamic Range - ≥124 dB (A-weighted)
- BAL LO (Balanced Line Out)
- THD+N - <0.0003% (1 kHz/-0 dB @10 kΩ)
- SNR - ≥126 dB (A-weighted)
- Crosstalk - ≥103 dB
- Noise Floor - <1.9 uV (A-weighted)
- Frequency Response - 20 Hz ~ 85 kHz (attenuation <1.8 dB), 20 Hz ~ 20 kHz (attenuation <0.02 dB)
- Output Level - 3.9 Vrms
- Dynamic Range - ≥125 dB (A-weighted)
Description
The FiiO M21 High Res Lossless Music Player represents a new era in entry-level digital audio performance, offering an unprecedented combination of premium hardware and thoughtful design. Built with the Snapdragon 680 octa-core processor and four CS43198 DAC chips, it ensures smooth operation and delivers high-quality sound reproduction across a wide range of formats.
With Android 13 at its core, the M21 provides a modern and user-friendly experience while maintaining outstanding efficiency. Its compact 4.7-inch HD display and sleek aluminium alloy body with frosted glass back strike the perfect balance between elegance and durability. Supporting both portable and desktop power modes, this versatile player is equally at home on the move or as part of a dedicated hi-fi setup.
Superior Sound Architecture and Amplification
At the heart of the FiiO M21 High Res Lossless Music Player is its advanced amplification system and DAC architecture. The four DAC chips enable an eight-channel fully differential output design, creating precise, distortion-free sound with rich details. Its amplifier uses a two-stage circuit, where the first stage handles voltage amplification and the second stage expands current output, ensuring a powerful yet clean delivery.
With separate power supply paths for digital and analogue sections, the device effectively minimizes interference while improving accuracy and clarity. To further refine performance, FiiO integrates high-quality thin-film resistors, low-drift capacitors, and over ten tantalum capacitors, producing robust energy reserves for dynamic and natural playback. This thoughtful design ensures both audiophile-grade precision and engaging sound.
Desktop and Portable Flexibility
One of the standout features of the FiiO M21 High Res Lossless Music Player is its patented desktop mode, an innovation never before offered in this category. When connected to an external power source, the device bypasses its battery entirely, protecting its longevity by preventing unnecessary charging cycles.
In portable mode, the M21 operates on standard voltage, providing long-lasting performance with up to 15 hours of playback from its 4000 mAh battery. Switch to desktop high-gain mode, and the device delivers a remarkable 960 mW output at 32 Ω and a peak drive voltage of 21 Vpp at 300 Ω. This dual-mode flexibility ensures compatibility with a wide variety of headphones, from sensitive in-ear monitors to demanding over-ear models.
Design, Nostalgia, and Practicality
Beyond its technical prowess, the FiiO M21 High Res Lossless Music Player is crafted for both practicality and emotional connection. Its fully aluminium alloy body and oleophobic-coated screen ensure durability and resistance to fingerprints, while maintaining a sleek and premium feel.
For those who appreciate nostalgia, FiiO has included a retro cassette-style protective case that can be purchased sepeately and a tailored vintage user interface, allowing listeners to revisit the charm of the Walkman era with just one touch.
This optional mode includes unique sound effects that evoke classic audio experiences, while removing the case seamlessly returns the player to its modern interface. Combining forward-looking technology with thoughtful touches of the past, the M21 offers versatility for both serious listening and personal enjoyment.
Battery Life, Connectivity, and Precision Engineering
The FiiO M21 High Res Lossless Music Player is engineered with both endurance and precision in mind. Its 4000 mAh battery supports up to 15 hours of uninterrupted playback and features 20 W PD fast charging for quick top-ups. Connectivity is robust, with dual Type-C ports, 3.5 mm and 4.4 mm outputs, low-jitter coaxial output, and balanced amplification options.
Digital and analogue sections are shielded separately for reduced crosstalk, while the fifth-generation FPGA and dual custom femtosecond crystal oscillators provide remarkable clock accuracy for PCM and DSD playback.
This meticulous engineering ensures stable signal reproduction across all frequencies, preserving every nuance of music. With flagship-grade design, flexible usage, and uncompromising sound quality, the FiiO M21 redefines expectations for portable high-resolution audio players.








































