FIIO M21

FIIO M21

M21: The new standard for entry-level audio

The M21 redefines the entry-level class with flagship-level performance and design. Compact yet powerful, it sets a new benchmark for a generation of portable players, with premium workmanship and impressive sound quality.

Desktop mode with battery protection

For the first time on a FiiO entry-level model, desktop mode is available. Here the player is powered entirely from an external power source, without charging or discharging the internal battery-ideal for prolonged use at your desk.

Patent No. ZL202321946664.8

Dual power supply, desktop-level performance

Use standard power on the go or connect external power in "Super High Gain" mode for up to 21 Vpp (300Ω) and 950 mW (32Ω)-powerful enough for demanding headphones and an immersive listening experience.

Sophisticated design & screen

The M21 has an elegant aluminum body with a matte AG glass back. The oleophobic screen resists fingerprints and provides smooth operation.

Clean sound through shielding

Separated and shielded digital and amplifier sections reduce crosstalk and improve heat dissipation, resulting in clearer and more natural sound.

Separate power supply for digital and analog

Independent power supply paths for digital and analog circuits reduce interference, improve dynamics and increase detail reproduction. Key components such as the DAC and headphone amplifier receive separate power supplies for optimal performance.

High-quality components for accurate sound

Precision resistors, temperature-stable capacitors and more than 10 tantalum capacitors ensure a stable power supply-with better channel balance, stronger dynamics and full detail reproduction as a result.

Ultra-accurate clock technology

Custom femtosecond crystal oscillators and a 5th generation FPGA provide extremely low jitter and precise timing for PCM and DSD, for pristine digital playback.

Versatile outputs

•     3.5mm & 4.4mm line output: For active speakers or amplifiers
•     SPDIF coaxial output: low jitter digital output for external DACs
•     USB audio output: use the M21 as a high-res streaming source

Long battery life & fast charging

The 4000 mAh battery offers up to 15 hours of playback time. Thanks to 20W PD fast charging, you can quickly recharge even during short breaks.

(PD charging only via the POWER IN port)