FiiO - M21
Hi-Res Portable Digital Audio Player
₹ 29,999
DELIVERY
Dispatches in 48 hours
RETURNS & WARRANTY
7 Day Replacement Guarantee
1 Year Warranty
FiiO Introduces The M21 - An Exceptional All-In-One Digital Audio Player
FiiO presents the M21, a high-quality digital audio player that redefines premium sound quality. Equipped with advanced ⚙️ dual CS43198 DAC chips and a sophisticated two-stage amplification system, it delivers exceptional audio performance for discerning music enthusiasts. This versatile device combines powerful hardware with innovative features, including a patented desktop mode, dual power supply system, and extensive connectivity options. The M21's premium build quality, featuring an aluminium alloy body and frosted glass back, reflects its high-end positioning. With support for high-resolution audio formats, MQA 8x unfolding, and up to ⏳ 15 hours of battery life, the M21 offers an uncompromising listening experience. Its internal and external "hearts" are full of "heart" in providing you with enjoyment. Running on Android 13 and powered by the efficient Snapdragon 680 processor, it ensures smooth operation and seamless music playback for both portable and desktop use.
Equips Flagship CS43198 DAC Chips From Cirrus Logic For Hi-Res Sound
FiiO M21 is equipped with four⚙️ CS43198 DAC chips to deliver exceptional audio performance through its eight-channel fully differential output design. This powerful configuration enhances dynamic range and reduces interference, allowing your headphones to reach their full potential with pristine sound reproduction.
Utilises Advanced headphone Amplifier With Two-Stage Circuit Design
FiiO M21’s advanced headphone amplifier features a sophisticated two-stage circuit design, combining voltage amplification and current expansion for exceptional audio clarity. The digital and amplifier sections are housed in separate, shielded compartments, minimising signal interference while optimising heat management for consistently pure sound reproduction.
Delivers Pure Audio With Separate Digital & Analog Circuit Architecture
FiiO M21 employs a dual power supply architecture that separates digital and analog circuits, minimising interference and crosstalk. This design, combined with multiple independent power supplies for components like the DAC and headphone amplifier, ensures pristine audio reproduction with enhanced dynamic range, clearer sound separation, and more detailed audio output.
Versatile Dual Power Supply System - Automatic Adaptation To Your Needs
FiiO M21 features a versatile dual power supply system that adapts to your needs. In portable mode, it runs on standard voltage, but when connected to external power in "Super high gain" mode, it automatically switches to a high-voltage power supply delivering 21Vpp peak drive voltage and 🚀 950mW output power. This desktop-level performance ensures compatibility with a wide range of earbuds and headphones, providing an exceptional listening experience.
Features High-End Components For Exceptional Listening Experience
FiiO M21's audio circuit features premium components for superior sound quality, including high-precision thin-film resistors and low-temperature-drift capacitors that ensure consistent performance across channels and frequencies. The DAC and headphone amplifier sections incorporate over 10 low-impedance, high-capacity tantalum capacitors, providing robust power reserves for dynamic, powerful audio output while maintaining signal integrity.
Precise Audio With 5th-Gen FPGA & Dual Custom Femtosecond Oscillators
FiiO M21 features advanced audio optimisation through its 5th-generation FPGA and dual custom femtosecond crystal oscillators. Specifically developed for the M21, these precision oscillators meet femtosecond-level standards to deliver exceptional timing accuracy. The high-precision, low-jitter unified clock source ensures perfect synchronisation of PCM and DSD audio across various sampling rates, resulting in precise and faithful digital audio reproduction.
Fused With Qualcomm Snapdragon 680 Processor For Enhanced Performance
FiiO M21 is powered by the Qualcomm Snapdragon 680 processor, setting a new standard for entry-level digital audio players with its efficient performance and lower power consumption compared to competitors. Running on Android 13, it delivers a consistently smooth and responsive user experience.
Features Patented Desktop Mode With Extended Battery Usage
FiiO M21 introduces FiiO's patented desktop mode feature at an entry-level price point. When enabled, this innovative power management system runs entirely on external power while preserving the built-in battery by preventing charge/discharge cycles. This ensures optimal battery life during extended desktop use. The device features a high-voltage 🔋 4000mAh battery that provides ⏳ up to 15 hours of continuous playback—ideal for long listening sessions during commutes or travel. With 20W PD fast charging support, quick power-ups during short breaks keep your music playing without interruption.
Embedded With Exceptional Features For A Convenient Experience
FiiO M21 offers MQA 8x full unfolding, two-way ✂️ LDAC Bluetooth and five working modes for various scenarios. It also features customisable buttons that allow you to access multiple features and a RGB pulsing lights that display the true playback details.
Seamless Connectivity Across Various Audiophile-Grade Devices
Experience versatile connectivity with analog and digital outputs for seamless connectivity. The M21 features the following output options -Dual headphone outputs - 3.5mm and 4.4mmA high-performance SPDIF coaxial output with 70% reduced jitter for premium external DAC connections, USB Audio output capability that transforms the device into a streaming media hub when connected to external DACs.
Meticulously Crafted With Fully Aluminium Alloy Body & AG Frosted Glass Back
Crafted with precision, the FiiO M21 features a premium build combining a fully aluminium alloy body and AG frosted glass back panel, offering elegant aesthetics and ergonomic comfort. The display incorporates an oleophobic coating that effectively resists fingerprints and smudges, ensuring smooth and responsive touch interactions.
All You Need To Know About The FiiO M21
Headphone Output
3.5mm (Single-Ended) 4.4mm (Balanced)
Hardware Solution
DAC: CS43198*4 Amp: OPA1692*2+SGM8262-2*2 SoC: Qualcomm Snapdragon 680
Working Mode
Android/Pure Music/AirPlay/USB DAC/Bluetooth Receiving
RAM
4GB
Internal Storage/Available Capacity (ROM)
64GB/About 52GB
Memory Card
Single MicroSD Card Expansion, Up To 2TB In Theory
General Specification
Volume Control Type: Button Control Adaptive Impedance: PO: 8~350 Ohms BAL: 8~350 Ohms Channel Balance: L20~R20 (0.5dB Per Level) Display: 4.7-Inch (750x1334) Bezel-Less Screen Color: Titanium Gold/Dark Blue/Black Dimensions: About 68x121x17mm Weight: About 193g
Buttons And Ports
Buttons: Power Button*1; Multifunction Button*1; Volume Button*2; Play/Pause Button*1; Previous Track*1; Next Track*1 USB: Type-C USB3.0*1 (Charging/Data Transmission)+Type-C POWER IN*1 (Charging/Independent Power Supply Port) Toggle Switch: HOLD Switch*1; D.MODE Switch*1 Headphone Out: Standard 3.5mm Line Output: Standard 3.5mm (Shared PO) BAL Headphone Out: Standard 4.4mm BAL Line Output: Standard 4.4mm (Shared BAL) COAX Headphone Out: Standard 3.5mm (Shared PO) Exposed Contacts: Connect To Cassette-Style Protective Case
Special Functions
WiFi: 2.4GHz/5GHz, Supports DLNA, AirPlay, WiFi Song Transfer, Roon Ready, etc. Bluetooth Transmission (5.0): AAC/SBC/aptX/aptX HD/LDAC/LHDC Bluetooth Reception (5.0): SBC/AAC/LDAC FiiO Link Android Supports WiFi And Bluetooth Control, iOS Supports Bluetooth Control MQA: Supports MQA Full Decoding ALL TO DSD: Supported EQ Adjustment: 10-Band Dynamic EQ Adjustment (±12dB), Built In 8 Types Of Preset EQ, Self-Define EQ System Navigation Mode: Supports Gesture Navigation, 2-Button Navigation And 3-Button Navigation Double Tap To Wake Up: Supported Power Off Timers: Supports Sleep/Idle Power Off Firmware Upgrade: Supports Upgrade From Local Storage/Memory Card Max Supported Sampling Rate: USB DAC: Supports Up To 384kHz/32bit; DSD256 (Native) Local Decoding: Supports Up To 384kHz/32bit; DSD256 (Native) USB Audio: 768kHz/32bit; DSD512 (Supports DoP/D2P/Native) Coaxial Output: Supports Up To 384kHz/24bit; DSD128 (DOP)
4.4mm Headphone Out Battery Life And Test Conditions
4.4mm Headphone Out: 12.5 Hours Volume Level: 33 Gain Level: High Gain Display Status: OFF Playing Track And Format: MP3 44kHz/16bit EQ: OFF Load: 32 Ohms
3.5mm Headphone Out Battery Life And Test Conditions
3.5mm Headphone Out: 15 Hours Volume Level: 44 Gain Level: High Gain Display Status: OFF Playing Track And Format: MP3 44kHz/16bit EQ: OFF Load: 32 Ohms
Power Supply Parameters
Power Supply: Supports D2.0 and PD3.0 Fast Charging Charging Time: About 1.5h (PD3.0 Fast Charging Mode)
Parts Of Performance And Parameters Of PO (3.5mm, USB DAC, Super High Gain Mode)
Output Power: L+R≥480mW+480mW (16 Ohms, THD+N＜1%) L+R≥405mW+405mW (32 Ohms, THD+N＜1%) L+R≥45mW+45mW (300 Ohms, THD+N＜1%) Output Impedance: ＜1 Ohms Crosstalk: ≥74dB Peak Output Voltage: 10.6Vp-p SNR: ≥124dB (A-weighted) THD+N: ＜0.0003% (1kHz/-4dB@32 Ohms) Frequency Response: 20Hz~85kHz: Attenuation＜2dB 20Hz~20KHz: Attenuation＜0.02dB Noise Floor : ＜2uV (A-weighted)
Parts Of Performance And Parameters Of PO (3.5mm, USB DAC, High Gain Mode)
Output Power: L+R≥380mW+380mW (16 Ohms, THD+N＜1%) L+R≥290mW+290mW (32 Ohms, THD+N＜1%) L+R≥35mW+35mW (300 Ohms, THD+N＜1%) Output Impedance: ＜1 Ohms Crosstalk: ≥74dB Peak Output Voltage: 9.5Vp-p SNR: ≥123dB (A-weighted) THD+N: ＜0.0004% (1kHz/-4dB@32 Ohms) Frequency Response: 20Hz~85kHz: Attenuation＜2dB 20Hz~20KHz: Attenuation＜0.02dB Noise Floor : ＜2.1uV (A-weighted)
Parts Of Performance And Parameters Of LO
THD+N: ＜0.0005% (1kHz/-5dB@10K Ohms) SNR: ≥122dB (A-weighted) Crosstalk: ≥111dB Noise Floor: ＜1.6uV (A-weighted) Frequency Response: 20Hz~85kHz: Attenuation＜1.8dB 20Hz~20KHz: Attenuation＜0.02dB Line Output Level: 1.9Vrms
Parts Of Performance And Parameters Of BAL Headphone Out (4.4mm, USB DAC, Super High Gain Mode)
Output Power: L+R≥540mW+540mW (16 Ohms, THD+N＜1%) L+R≥950mW+950mW (32 Ohms, THD+N＜1%) L+R≥185mW+185mW (300 Ohms, THD+N＜1%) Output Impedance: ＜1.5 Ohms Crosstalk: ≥109dB Peak Output Voltage: 21.2Vp-p SNR: ≥126dB (A-weighted) THD+N: ＜0.0005% (1kHz/-12dB@32 Ohms) Frequency Response: 20Hz~85kHz: Attenuation＜2dB 20Hz~20KHz: Attenuation＜0.03dB Noise floor : ＜2.7uV (A-weighted)
Parts Of Performance And Parameters Of BAL Headphone Out (4.4mm, USB DAC, High Gain Mode)
Output Power: L+R≥600mW+600mW (16 Ohms, THD+N＜1%) L+R≥720mW+720mW (32 Ohms, THD+N＜1%) L+R≥90mW+90mW (300 Ohms, THD+N＜1%) Output Impedance: ＜1.5 Ohms Crosstalk: ≥109dB Peak Output Voltage: 15Vp-p SNR: ≥125dB (A-weighted) THD+N: ＜0.0005% (1kHz/-8dB@32 Ohms) Frequency Response: 20Hz~85kHz: Attenuation＜2dB 20Hz~20KHz: Attenuation＜0.03dB Noise Floor : ＜2.7uV (A-weighted)
Parts Of Performance And Parameters Of BAL LO
THD+N: ＜0.0003% (1kHz/-0dB@10K Ohms) SNR: ≥126dB (A-weighted) Crosstalk: ≥103dB Noise Floor: ＜1.9uV (A-weighted) Frequency Response: 20Hz~85kHz: Attenuation＜1.8dB 20Hz~20KHz: Attenuation＜0.02dB Line Output Level: 3.9Vrms
Box Contents
1. FiiO M21 Digital Audio Player * 1 2. Tempered Film Screen Protector (Pre-Installed At Factory * 1) 3. Protective Case * 1 4. Warranty Card *1 5. Quick Start Guide * 1 6. USB Data Cable * 1 7. GPL V2 Instruction Manual * 1
Have a question? Get in touch!
Check out the most common questions our customers ask. Still have questions? Talk to our Headphone Gurus.
Our customer support is available Monday to Friday: 11am-6pm.
What is the warranty period on the FiiO M21 and how do I claim warranty?
The warranty period on FiiO M21 is for 1 year. To read more information click here
How to Update the Firmware FW1.0.7 of FiiO M21?
FiiO M21 Firmware Download Link: click here How to Update the Firmware of FiiO M21: click here The FiiO M21 supports Online Upgrade and Local Upgrade. Online Upgrade If a new firmware is available and can be detected (with the FiiO M21 connected to the internet), an upgrade notification will show up in the notification center. Tap it to enter the update menu for the online upgrade. If there's no upgrade notification showing up, go to Technical Support → Firmware Upgrade and tap Check for update availability to check manually. Local Upgrade The FiiO M21 can also be upgraded locally by using a firmware package: Download the firmware package file from the FiiO website. Copy it to the internal storage of the FiiO M21 or an SD card. Go to Technical Support → Firmware Upgrade → Local Upgrade and select the firmware package file to start the upgrade. Notes: Do not unzip the firmware package file. Ensure the device has at least 30% battery power before upgrading to avoid upgrade failure. If the device enters factory mode and cannot detect the firmware, the firmware file may be damaged. In this case, press the power button to reboot the device, re-download the firmware file, and restart the upgrade.
What operating system and processor does the FiiO M21 use?
The FiiO M21 runs on Android 13 and is powered by the Qualcomm Snapdragon 680 processor, offering a smooth, responsive user experience with efficient performance and lower power consumption.
What connectivity options does the FiiO M21 offer for headphones and digital audio?
The FiiO M21 provides versatile connectivity with 3.5mm unbalanced and 4.4mm balanced headphone outputs, a high-performance SPDIF coaxial output with reduced jitter for external DACs, and USB audio output for use as a digital transport. It also supports high-resolution Bluetooth audio via LDAC and offers MQA 8x full unfolding for studio-quality streaming playback.
What materials and screen features does the FiiO M21 have?
The FiiO M21 is built with a fully aluminum alloy body and an AG frosted glass back for a premium, ergonomic feel. Its display features an oleophobic coating that resists fingerprints and smudges, ensuring clean, smooth touch interactions.
What is the battery capacity of the FiiO M21, and does it support fast charging?
The FiiO M21 is equipped with a 4000mAh high-voltage battery that offers up to 15 hours of continuous playback, and it supports 20W PD fast charging for quick and convenient power-ups.
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