FiiO M9 Portable High-Resolution Audio Player


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A player that does it all

When developing the M9, we at FiiO saw that there wasn't any one player that combined all of the functions people want. Was there a player that could transmit the HWA/aptX/aptX HD/LDAC lossless Bluetooth codecs, even when used as a USB DAC? What about something that also contained a highly optimized audio circuit for excellent sound quality? Did any players also give the user an experience worthy of a flagship, capable of many features including Wi-Fi music streaming all in a slick interface? We sought to change that with the M9 – which does all of this and more.

  • Dual AK4490EN DACs for superb decoding performance

    The two AK4490EN DACs employed in the M9 feature a high signal-to-noise ratio, exceptional dynamic range, and low distortion – making for a precise yet exciting sound signature.

    Built-in dedicated FPGA with DSD128 hardware decoding

    Inside the M9 is a high-performance A3P030 FPGA, responsible for ensuring your music (whatever sample rate) is played back accurately by stabilizing digital clock signals. The FPGA also decodes DSD64/128 in hardware, which the M9 supports in ISO/DFF/DSF formats.

    Eight-layer HDI PCB ensures excellent sound quality

    For the first time, in the M9 FiiO uses an eight-layer HDI (High Density Interconnect) PCB with a thickness of only 0.08mm. While the M9 PCB is more complex than the one in the M7, it also allows more components to be integrated into a smaller space, leading to a smaller PCB and a smaller device overall. Combined with the fact that the M9 PCB is L-shaped, similar to modern smartphones, and you have a recipe for outstanding sound quality.

    Specially-designed audio circuit with balanced and single-ended outputs

    The TI OPA1612 is used as the LPF, while the TI OPA1622 serves as the current buffer. To achieve single-ended and balanced output, there are two OPA1622 op-amps used that provide up to 77mW* of power under a 300Ω load.

    Get your music from wherever and whenever

    With the M9, you can get your music from wherever, whenever. Don't want to deal with wires when transferring your songs over? Use Wi-Fi on the M9. Want to listen to your music on your computer? Do so with DLNA without having to worry about space on the M9. Want to discover new music on streaming services? The built-in streaming apps have you covered.

    Always your faithful companion

    Under normal usage the M9 can last around 10 hours, while in deep sleep (standby) mode the M9 can be still be used after a whopping 45 days! And being in deep sleep mode does not mean sacrificing convenience – just hit the power button, and the M9 instantly is ready to go.

    Indulge in the pleasure of balanced

    The M9 contains both single-ended 3.5mm and balanced 2.5mm audio jacks, for even more ways to listen with your headphones. The M9 also supports in-line controls in both CTIA (common with Android headsets) and iOS headsets. (With iOS headsets, only play/pause functionality is supported.)

  • A picture is worth a thousand words

    Unique to the FiiO M9 is RGB light indicator status that shows what audio format you are listening to! Instantly know what audio format your M9 is playing as well as its overall status, with the indicator status showing red to remind you to charge your device.

    Bring out the best in your computer with USB DAC functionality

    The M9 can be used as an asynchronous USB DAC with both Macs and Windows PCs. With Mac computers, you can just plug-and-play the M9 with no drivers needed. With Windows PCs, a simple install of drivers by FiiO is needed. The M9 can also act as your computer's Bluetooth transmitter – simply hook the M9 up to your computer as a USB DAC, and then have the player transmit Bluetooth audio to your headset!

    Incredibly fast with a deeply customized OS

    In the heart of the M9 lies the Android operating system, deeply customized by FiiO. This allows you to navigate through menus at an astonishing speed and with amazing ease due to the carefully thought out customized user interface.

    Also, apps for popular streaming services including NetEase Cloud Music, MOOV, Tidal and KKBOXS are pre-installed to allow even more ways to listen to music.

    USB audio and optical out support

    The M9 supports USB audio out (send digital audio bits through USB), with even support for DoP/D2P. Also, the M9 is one of the few players that can receive Bluetooth audio and output it through optical (SPDIF) out.

    An intensely orderly design language

    The all-aluminum body tastefully combines both straight and rounded edges in an unmistakably unique design, with the gentle curve of the left side naturally transitioning to the bold straight lines of the right side. Despite its beautiful form, the M9 doesn't sacrifice functionality – the volume wheel has been upgraded for more accurate control and a better, more tactile feel; while the power, play/pause, and change tracks buttons on the left have been arranged for even greater comfort in using the player.

    LG IPS touchscreen with in-cell technology

    Adorning the front of the M9 is a vibrant, clear 3.2 inch IPS screen capable of 16 million colors and supporting 5-point touch. This IPS screen allows you to easily operate your device with its ability to show even the finest of details.

    Contemporary USB Type-C connector

    The M9 utilizes the modern USB Type-C connector, which allows it to not only be used as a USB DAC but also allows output of digital audio signals to other devices through USB. Of course, USB Type-C also enables charging and file management on the M9 when connected to other devices.

    Be accepting of all music with 2TB of storage

    The M9 comes with a healthy 2GB of storage, but the storage can be expanded up to a massive 2TB with micro-SD cards!

    Hi-Res Audio certified

    The M9 has been certified by the Japan Audio Society to be “Hi-Res Audio” worthy, only achieved by devices truly capable of bringing a realistic and natural audio experience.

    Wealth of accessories fit for a king

    Every M9 comes with a TPU case, high quality USB cable, and a tempered glass screen protector (pre-applied). An optional PU leather case is also available.

    • Main Unit
      Name / Model No. M9 Operating System Customized
      CPU model Exynos 7270 14nm No. of cores 2
      CPU operating frequency 1GHz DAC AK4490EN×2
      Keyboard Virtual QWERTY keyboard Input method Multi-touch screen
      Special features LDAC,HWA,Gesture operation,WiFi Streaming,RGB indicator for different formats,Bi-directional Bluetooth,8-layer HDI PCB User interface Customized/FiiO Music
      Chips used SoC: Samsung Exynos 7270,DAC:AK4490EN*2,FPGA:A3P030,LPF:OPA1612,BUF:OPA1622*2
      Bluetooth chip:SAMSUNG S5N5C10B01-6330
      WiFi 2.4G,WiFi transmission supported Bluetooth 4.2
      USB TYPE C Two-way USB2.0 Bluetooth transmit LDAC/aptX/aptX HD/SBC(Available when playing on M9 or using M9 as USB DAC)
      HWA(LHDC) Available when playing on M9 or using M9 as USB DAC Bluetooth receive SBC/LDAC to be supported
      AirPlay To be supported DLNA Supports Windows for now, will support more in the future
      FLYLINK To be supported    
      Display screen
      Display size 3.2 inches Number of colours 16M
      Display type LG IPS screen Viewable angle Full-view
      Resolution 480×800 Pixel density(PPI) 292
      Touchscreen 5-finger multi-touch    
      RAM 768MB ROM 4GB
      Storage expansion type Micro SD card ROM available to user 2GB
      Maximum storage expansion Theoretically 2TB (only one micro SD card slot)    
      Buttons and ports
      Buttons Physical button+Side volume scroll+Touch screen Button customization N/A
      Headphone out (PO) 3.5 mm headphone jack+2.5mm balanced headphone jack USB Two-way TYPE C USB2.0(Charging/Data transmisson/USB DAC/USB Audio)
      Line out (LO) 3.5 mm port(shared PO) SPDIF output 3.5mm port(shared PO)
      Color Silver(might have more colors coming out) Dimensions 60mm*106mm*13.3mm
      Weight about 133g Volume control 120 steps +/- button control
      Recommended headphone impedance 16~300Ω Equalizer 10-band EQ (±6dB), 9 presets+custom preset
      Treble control N/A Bass boost N/A
      Balance control ±5dB Gain control L/H
      USB DAC Asynchronous 192kHz/32bit USB Audio DSD64/128,DoP/D2P
      Power specifications
      USB power adapter DC 5V/2A recommended Battery capacity 2350mAh Li-polymer battery
      Charging indication Large charging icon shows on display when it's off, small charging icon shows on upper right of display when it's on Charging time <2h(DC5V/2A)
      Battery indication Yes (accurate battery % readings) Deep sleep time 45 days
      Battery Life & Test Conditions
      3.5mm headphone output:>10h
      Volume 46 Load M3 open earbuds (27 Ω)
      Screen OFF Test File MP3 44.1kHz/16bit
      EQ OFF    
      2.5mm balanced output:>9h
      Volume 48 Load M3 open earbuds (27 Ω)
      Screen OFF Test File MP3 44.1kHz/16bit
      EQ OFF    
      Bluetooth output:>30h(SBC)      
      Volume 60 Load BTR1+FH1
      Screen OFF Test File MP3 44.1kHz/16bit
      Firmware Upgrade Supports both via zip file and OTA Font size N/A
      Firmware Upgrade Supported Third-party apps support Supports installation of APP(Spotify, Qobuz, Roon, Deezer) in the white list
      Line output specifications
      THD+N <0.002%(1kHz/10kΩ) SNR ≥117dB (A-weighted)
      Frequency response 5Hz~80 kHz(-3dB) Noise floor <5uV
      Channel separation >105dB Line level 2V
      Headphone out specifications 1(3.5mm port)
      Output power 1 ≥125mW(16Ω / THD+N<1%) Output impedance <2Ω
      Output power 2 ≥170mW(32Ω /THD+N<1%) THD+N <0.002%(1kHz/32Ω)
      Output power 3 ≥19mW(300Ω / THD+N<1%) Separation >72dB
      Frequency response 5Hz~80 kHz(-3dB) Peak output voltage 6.5Vp-p
      SNR ≥118dB (A-weighted) Noise floor <5uV
      Headphone out specifications 2(2.5mm port)
      Output power 1 ≥125mW(16Ω / THD+N<1%) Output impedance <2Ω
      Output power 2 ≥195mW(32Ω /THD+N<1%,balanced turbo off)
      ≥220mW(32Ω /THD+N<1%,balanced turbo on)
      THD+N <0.002%(1kHz/32Ω)
      Output power 3 ≥24mW(300Ω / THD+N<1%,balanced turbo off)
      ≥77mW(300Ω / THD+N<1%,balanced turbo on)
      Separation >98dB
      Frequency response 5Hz~80 kHz(-3dB) Peak output voltage 7.07Vp-p
      SNR ≥113dB (A-weighted) Noise floor <10uV
      File format support
      Lossless: DSD:DSD64,128(iso”“.dsf”,“.dff”)
      APE(Fast): 192 kHz/24 bit
      APE(Normal): 192 kHz/24 bit
      APE (High): 192kHz/24 bit
      APE (Extra High): 48kHz/24 bit
      APE (Insane): 48kHz/24 bit
      FLAC: 192 kHz/24 bit
      WAV: 192 kHz/64 bit
      Aiff:192 kHz/24 bit
      Aif:192 kHz/24 bit
      WMA Lossless: 96 kHz/24 bit
      Apple Lossless: 192 kHz/24 bit
      Lossless: MP3,OGG,WMA,AAC...