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The FiiO M27 is a high-end audiophile music player designed to deliver high-resolution audio playback, utilising advanced digital and analogue architecture to ensure stable and detailed sound reproduction. It delivers an output power of up to 5000mW + 5000mW at 32Ω, whilst incorporating dual conversion based on ES9039SPRO DACs, enabling it to handle both demanding portable use and high-power listening setups.
Designed for hybrid setups, it combines power, extensive connectivity and advanced processing capabilities, making it suitable for use as a primary source both on the move and as part of a desktop hi-fi system. This approach allows it to centralise local playback, streaming and digital-to-analogue conversion, whilst ensuring thermal and power management suited to prolonged use.
The FiiO M27 is powered by an 8-core Qualcomm Dragonwing QCS6490 processor, featuring an architecture similar to that of the Snapdragon 778G, with four cores clocked at 2.7GHz and four others at 1.9GHz, ensuring smooth processing of audio applications and high-definition streams. This processing power, supplemented by 8GB of RAM, enables responsive navigation through large libraries whilst maintaining stable background processing, allowing simultaneous use—playback, streaming and equalisation—without any perceptible latency.


The 256 GB internal storage is optimised for read speeds of up to 920MB/s, ensuring rapid access to high-resolution audio files and reducing loading times. This approach is further enhanced by the inclusion of two microSD slots, each supporting up to 2 TB, allowing for a massive expansion of total capacity whilst maintaining a segmented organisation of content, ideal for very large local libraries.
In addition to its portability, the M27 features a wide range of connectivity options, including a 6.35mm headphone jack, a coaxial input/output, and an optical output, allowing it to be integrated directly into a desktop Hi-Fi setup. This versatility allows it to serve both as a standalone portable music player and as a centralised digital source, whilst ensuring compatibility with external equipment without the need for complex adapters.


The audio processing is based on two ES9039SPRO DACs paired with an XMOS XU316 interface, ensuring precise digital-to-analogue conversion and stable handling of high-resolution audio streams. This architecture enables local playback of files up to 32bit 768kHz PCM and DSD512, whilst the Qualcomm QCC5181 Bluetooth 5.4 chip allow wireless transmission via high-resolution codecs such as aptX Lossless and LDAC, thereby ensuring consistent sound quality between wired and wireless use.
The M27 features an amplifier capable of delivering up to 5000mW + 5000mW into a 32Ω load, with five gain levels to precisely match the power output to different headphones and earphones. This gradation allows for precise control of the signal at low volumes whilst providing sufficient power reserve for the most demanding drivers, thereby ensuring stable reproduction across the entire operating spectrum.


The power supply is provided by a 9200mAh battery offering up to 9 hours of continuous playback, allowing for extended use without frequent recharging. It supports 35W fast charging via the QC 3.0, QC 4.0, PD 2.0, PD 3.0 and PPS protocols, whilst its replaceable design is part of a commitment to sustainability. This approach is further enhanced by a Desktop mode that allows the battery to be bypassed when using the device on mains power, thereby limiting wear and tear over time.
The M27 incorporates the sixth generation of the proprietary DAPS (Digital Audio Purification System), utilising a latest-generation FPGA coupled with RIVER femtosecond crystal oscillators to ensure jitter-free digital signal transmission. This architecture stabilises the signal stream prior to conversion, resulting in a more coherent reproduction, particularly in terms of micro-details and spatialisation.
The device features a 31-band equaliser that allows for fine-tuning of the frequency response, offering precise control over the sound output to suit personal preferences or the characteristics of the headphones being used. This flexibility is enhanced by the inclusion of built-in presets, which allow you to quickly adjust the sound whilst retaining a customisable foundation for your settings.

The internal circuitry features a fully balanced design, which reduces crosstalk whilst improving the overall signal dynamics. This arrangement of the audio stages promotes clearer channel separation, resulting in a more detailed sound and a better-defined soundstage when listening.

The power supply separates the analogue and digital sections, thereby minimising interference between signal processing and conversion. This separation, combined with the use of high-capacity capacitors, stabilises the current supply, ensuring a cleaner sound and improved handling of transients, particularly during dynamic passages.


The cooling system is based on an internal structure combining a graphite vapor chamber, a graphene heat spreader and copper heat sinks, ensuring efficient heat dissipation. This approach helps maintain stable performance even during long periods of high-power use.
The M27 features a 5.99-inch 1080p display protected by 5th-generation Gorilla Glass, ensuring comfortable readability whilst providing enhanced resistance to everyday wear and tear. This robustness is further enhanced by a CNC-machined titanium chassis, offering high structural rigidity whilst aiding heat dissipation, ensuring a device that is both durable and suited to a variety of environments.


The package is completed by a protective leather case featuring a rear compartment designed to accommodate an active cooling unit, thereby optimising heat dissipation during intensive use. This design philosophy is extended with a desktop stand featuring a built-in fan and USB power supply, enabling prolonged use in desktop mode, whilst a dedicated carry bag makes it easy to transport the device and its accessories (cables, earphones, etc.) in an organised manner.

| 1 | Volume control knob |
| 2 | 6.35mm line-out/headphone jack |
| 3 | 4.4mm line-out/headphone jack |
| 4 | 3.5mm line-out/headphone jack |
| 5 | Previous track |
| 6 | Play / Pause |
| 7 | Next track |
| 8 | Multifunction button |
| 9 | Side ambient lighting |
| 10 | Antenna |
| 11 | MicroSD ports |
| 12 | Optical Toslink output |
| 13 | USB-C charging port |
| 14 | HOLD switch |
| 15 | USB-C charging/data port |
| 16 | DESKTOP mode switch |
| 17 | USB-C charging/data port |
| 18 | Coaxial input / output |
Technical characteristics
| Specifications | |
|---|---|
| Product type | Digital Audio Player (DAP) |
| Inputs | 2x USB-C 1x Coaxial Bluetooth WiFi |
| Outputs | 1x Single-ended headphone/line jack 6.35mm output 1x Balanced headphone/line jack 4.4mm output 1x Balanced headphone/line Jack 3.5mm output 1x Coaxial 1x Optical Toslink Bluetooth |
| DAC chip | 2x ES9039SPRO |
| SoC | Qualcomm Dragonwing QCS6490 |
| Internal memory | 8Go RAM + 256Go ROM 2x 2To microSD slot |
| USB interface | XMOS XU316 |
| Bluetooth chip | Qualcomm QCC5181 |
| Screen | 5.99" (1080x2160) |
| Battery | 9200mAh |
| Supported Bluetooth codecs | Reception : SBC, AAC, aptX, aptX Lossless, aptX HD, aptX Adaptive, LDAC Transmission : SBC, AAC, aptX, aptX HD, aptX Adaptive, LDAC, LHDC |
| Supported sampling rates | Local reading / USB : PCM 32bit 768kHz / DSD512 Coaxial : PCM 24bit 384kHz / DSD128 Optical : PCM 24bit 192kHz |
| WiFi | WiFi 2.4GHz/5GHz DLNA AirPlay |
| Balanced output power | 5000mW + 5000mW @32Ω THD+N<1% 12.7Vrms Ultra high gain mode 2250mW + 2250mW @32Ω THD+N<1% 8.5Vrms Super high gain mode 805mW + 805mW @300Ω THD+N<1% 15.5Vrms Ultra high gain mode 320mW + 320mW @300Ω THD+N<1% 7.6Vrms Super high gain mode |
| Single-ended output power | 1800mW + 1800mW @32Ω THD+N<1% 7.6Vrms Ultra high gain mode 660mW + 660mW @32Ω THD+N<1% 4.6Vrms Super high gain mode 200mW + 200mW @300Ω THD+N<1% 7.8Vrms Ultra high gain mode 80mW + 80mW @300Ω THD+N<1% 4.9Vrms Super high gain mode |
| Frequency response | 20Hz - 85kHz |
| Signal-to-noise ratio (SNR) | ≥ 127dB |
| Background noise | < 1.9µV |
| Total harmonic distorsion more noise (THD+N) | 0.0027% |
| Crosstalk | ≥107dB |
| Line output level | 4.2Vrms |
| General | |
|---|---|
| Dimensions | 157.4 x 85 x 28mm |
| Weight | 556g |
| Color | Black |
| Package | 1x FiiO M27 1x Protective case 1x Storage bag 1x Desk stand 1x USB-C to USB-C cable 1x USB-C to Lightning cable 1x USB-A to USB-C adapter |