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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 S5N5C10B01-6330Connectivity 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 Storage 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) General 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 Others 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 bitLossless: MP3,OGG,WMA,AAC...
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