Model M11 Plus LTD M11 M11pro M11S
CPU Snapdragon 660 14nm Exynos 7872 14nm Exynos 7872 14nm Snapdragon 660 14nm
CPU No. of cores 8 6 6 8
DAC AK4497EN×2 AK4493EN×2 AK4497EN×2 ES9038Q2M×2
Operating system Customized Android 10 Customized Android7.0 Customized Android7.0 Customized Android 10
Input method Multi-touch screen Multi-touch screen Multi-touch screen Multi-touch screen
Keyboard Virtual QWERTY keyboard Virtual QWERTY keyboard Virtual QWERTY keyboard Virtual QWERTY keyboard
User interface Android/Pure Music/SB DAC/Bluetooth Receiver/AirPlay Customized/FiiO Music Customized/FiiO Music Android/Pure Music/USB DAC/Bluetooth Receiver
Chips used SoC:Snapdragon 660,DAC:AK4497EQ*2,LPF:OPA1662*2,AMP:LMH6644*2,NDK Femtosecond crystal oscillator*2 SoC: Samsung Exynos 7872,DAC:AK4493EQ*2,FPGA:A3P030,LPF:OPA1642×2,AMP:OPA926*2 SoC: Samsung Exynos 7872,DAC:AK4497EQ*2,FPGA:A3P030,LPF:OPA1642×3,AMP:LMH6644*2,Volume IC : NJW1195

Soc: Snapdragon 660, DAC: ES9038Q2m * 2, AMP: OPA926 * 2, crystal oscillator: NDK femtosecond crystal oscillator * 2

Bluetooth chip:WCN3990,BT5.0 Bluetooth chip:SAMSUNG S5N5C10B01-6330 Bluetooth chip:SAMSUNG S5N5C10B01-6330 Bluetooth chip:SAMSUNG S5N5C10B01-6330
WiFi 2.4GHz/5GHz,WiFi transmission supported 2.4G/5G,WiFi transmission supported 2.4G/5G,WiFi transmission supported 2.4G/5G,WiFi transmission supported
BT transmit version 5.0 4.2 4.2 5.0
Bluetooth transmit SBC、AAC、aptX、aptX HD,LDAC LDAC/aptX/aptX HD/SBC LDAC/aptX/aptX HD/SBC SBC/AAC/aptX/aptX HD/LDAC/LHDC
BT receive version 5.0 4.2 4.2 5.0
Bluetooth receive SBC、AAC、LDAC SBC/LDAC SBC/LDAC SBC/AAC/LDAC
DLNA Supports Windows for now, will support more in the future Supports Windows for now, will support more in the future Supports Windows for now, will support more in the future Supports Windows for now, will support more in the future
USB Two-way TYPE C USB3.0(Charging/Data transmisson/USB DAC/USB Audio) TYPE C Two-way USB2.0 TYPE C Two-way USB2.0 TYPE C Two-way USB3.0
AirPlay Supported Supported Supported Supported
FiiO Link Supported Supported Supported Supported
All to DSD Supported Supported Supported Supported
MQA Supported Supported Supported Supported
Screenshot with 3 fingers Supported Supported Supported Supported
Display size 5.5 inches 5.15 inches 5.15 inches 5.0 inches
Display type IPS Hi-Res incell screen IPS Hi-Res incell screen IPS Hi-Res incell screen IPS Hi-Res incell screen
Resolution 1440×720 1440×720 1440×720 1280×720
Touchscreen 10-finger multi-touch 10-finger multi-touch 10-finger multi-touch 10-finger multi-touch
Number of colours 16M 16M 16M 16M
Viewable angle Full-view Full-view Full-view Full-view
Pixel density(PPI) 312 312 312 312
RAM 4GB 3GB 3GB 3GB
Storage expansion type Micro SD(TF card),Hidden TF slot Micro SD card x 2 Micro SD card Micro SD card
Maximum storage expansion Theoretically 2TB (only one micro SD card slot) Theoretically 4TB (with each micro SD card supporting 2TB) Theoretically 2TB (only one micro SD card slot) Theoretically 2TB (only one micro SD card slot)
ROM 64GB 32GB 64GB 64GB
ROM available to user About 46GB About 25GB About 52GB About 52GB
Buttons Physical button + analog potentiometer volume knob + HOLD lock switch + touch screen Physical button+Side volume scroll+Touch screen Physical button+Side volume scroll+Touch screen Physical button+Analog ADC volume knob + mechanical lock HOLD switch+Touch screen
Headphone out (PO) 3.5 mm headphone jack+2.5mm balanced headphone jack+4.4mm balanced headphone
jack, 384kHz-32bit/DSD256
3.5 mm headphone jack+2.5mm balanced headphone jack+4.4mm balanced headphone jack 3.5 mm headphone jack+2.5mm balanced headphone jack+4.4mm balanced headphone jack 3.5 mm headphone jack+2.5mm balanced headphone jack+4.4mm balanced headphone jack
Line out (LO) 3.5 mm port(shared PO) 3.5 mm port(shared PO) 3.5 mm port(shared PO) 3.5 mm port(shared PO)
Button customization Supported one-click to add to favorites/ to random next song/play or pause/ to delete the currently playing song/to switch filters and equalizer/to switch to USB decoding mode,  to switch to Bluetooth receiving mode N/A N/A Supported one-click to add to favorites, one-click to random next song, one-click to delete the currently playing song, one-click to switch to USB decoding mode, one-click to switch to Bluetooth receiving mode, etc.
USB Two-way TYPE C USB3.0(Charging/Data transmisson/USB DAC/USB Audio)) Two-way TYPE C USB2.0(Charging/Data transmisson/USB DAC/USB Audio) Two-way TYPE C USB2.0(Charging/Data transmisson/USB DAC/USB Audio) Two-way TYPE C USB2.0(Charging/Data transmisson/USB DAC/USB Audio)
SPDIF output 3.5mm port(shared PO, up to 384kHz-32bit/DSD128) 3.5mm port(shared PO),DSD64/128,384kHz/32bit,DoP/D2P 3.5mm port(shared PO),DSD64/128,384kHz/32bit,DoP/D2P 3.5mm port(shared PO),DSD64/128,384kHz/32bit,DoP/D2P
Color Black/Stainless steel Black Black Black
Dimensions 136.6*75.7*17.6mm 70.5mm*130mm*15.5mm 70.5mm*130mm*16.5mm 134*75*18mm
Weight About 310g (Black)/405g (Stainless steel) about211g about232g about307g
Volume control Slide or button control 120 steps +/- button control 120 steps +/- button control Analog volume knob control
Recommended headphone impedance

16~150Ω (3.5mm headphone output)

16~300Ω (2.5mm+4.4mm balanced output)

16~300Ω 16~300Ω 16~600Ω 
Equalizer 10-band EQ (±12dB), 8 presets+custom preset, custom EQ supported 10-band EQ (±6dB), 9 presets+custom preset 10-band EQ (±6dB), 9 presets+custom preset 10-band EQ (±6dB), 9 presets+custom preset
Gain control L/M/H L/H L/H L/H
Over-ear Headphone mode N/A N/A N/A Supported
Balance control L20~R20 (0.5dB every level) ±5dB ±5dB ±5dB
USB DAC 384kHz-32bit/DSD128 Asynchronous 384kHz/32bit Asynchronous 384kHz/32bit 768kHz/32bit|DSD512
USB Audio

768kHz-32bit/DSD512

(Supports DoP/D2P/Native)

768kHz-32bit/DSD512,DoP/D2P/Native 768kHz-32bit/DSD512,DoP/D2P/Native 768kHz-32bit/DSD512,DoP/D2P/Native
USB power adapter QC4.0/ PD2.0 quick charge QC2.0/3.0 quick charger,PD2.0 charger,DC 12V/1.5A、9V/2A、5V/2A recommended QC2.0/3.0 quick charger,PD2.0 charger,DC 12V/1.5A、9V/2A、5V/2A recommended QC2.0/3.0 quick charger,PD2.0 charger,DC 12V/1.5A、9V/2A、5V/2A recommended
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 Large charging icon shows on display when it's off, small charging icon shows on upper right of display when it's on Large charging icon shows on display when it's off, small charging icon shows on upper right of display when it's on Large charging icon shows on display when it's off, small charging icon shows on upper right of display when it's on
Battery indication Yes (accurate battery % readings) Yes (accurate battery % readings) Yes (accurate battery % readings) Yes (accurate battery % readings)
Battery capacity 6000mAh Li-polymer battery 3800mAh 3.8V Li-polymer battery supporting quick charge 4370mAh 3.8V Li-polymer battery supporting quick charge 7490mAh 3.8V Li-polymer battery supporting quick charge
Charging time <3h (QC4.0 quick charge) <2.5h(DC 12V/1.5A) <2.5h(DC 12V/1.5A) <3.5h(DC 12V/1.6A)
Deep sleep time 41 days 50 days 55 days 75 days
Battery life 1

3.5mm headphone output:>11.5h

3.5mm headphone output:>13h 3.5mm headphone output:>9.5h 3.5mm headphone output:>15h
Screen OFF OFF OFF OFF
EQ OFF OFF OFF OFF
Load 32Ω M3 open earbuds (27 Ω) M3 open earbuds (27 Ω) M3 open earbuds (27 Ω)
Test File MP3 44.1kHz/16bit MP3 44.1kHz/17bit MP3 44.1kHz/17bit MP3 44.1kHz/17bit
Battery life 2 2.5mm+4.4mm balanced output:>10h 2.5mm balanced output:>9h 2.5mm balanced output:>10h 2.5mm balanced output:>9h
Volume 37 49 49 49
Screen OFF OFF OFF OFF
EQ OFF OFF OFF OFF
Load 32Ω M3 open earbuds (27 Ω) M3 open earbuds (27 Ω) M3 open earbuds (27 Ω)
Test File MP3 44.1kHz/16bit MP3 44.1kHz/16bit MP3 44.1kHz/16bit MP3 44.1kHz/16bit
Firmware Upgrade Supports via zip file + TF card + OTA Supports both via zip file and OTA Supports both via zip file and OTA Supports both via zip file and OTA
Clock Supported Supported Supported Supported
Font size Supported supported supported Supported
Preinstalled Preinstalled:FiiO Music,ES File Bbrowser,Chrome Bbrowser Preinstalled:FiiO Music,ES File Bbrowser,Chrome Bbrowser Preinstalled:FiiO Music,ES File Bbrowser,Chrome Bbrowser Preinstalled:FiiO Music,ES File Bbrowser,Chrome Bbrowser
Third-party apps Supports any app Supports any app Supports any app Supports any app
Line output specifications    
THD+N <0.00079%(1kHz/10kΩ) <0.001%(1kHz/10kΩ) <0.0006%(1kHz/10kΩ) <0.0004%(1kHz/10kΩ)
Frequency response 5Hz~90kHz (-5dB) 10Hz~90 kHz(-3dB) 5Hz~86kHz(-3dB) 20Hz~90kHz(-4dB)
Channel separation >105dB(1kHz/10kΩ) >108dB >108dB >107dB
SNR >121dB ≥115dB (A-weighted) ≥119dB (A-weighted) ≥121dB (A-weighted)
Noise floor <1.7μV <6uV(20k low pass) <2μV <1.9μV
Line level 2V 1.95V 1.95V 2.1V
Headphone out specifications 1(3.5mm port)  
Output power 1 ≥295mW(16Ω / THD+N<1%) ≥255mW(16Ω / THD+N<1%) ≥294mW(16Ω / THD+N<1%)

≥300mW(16Ω / THD+N<1%)

Output power 2 ≥206mW(32Ω /THD+N<1%) ≥195mW(2.5V)(32Ω /THD+N<1%) ≥200mW(32Ω /THD+N<1%)

≥200mW(32Ω /THD+N<1%)

Output power 3 ≥23mW(300Ω / THD+N<1%) ≥22mW(300Ω / THD+N<1%) ≥22mW(300Ω / THD+N<1%)

≥200mW(32Ω /THD+N<1%)

Frequency response 20Hz~80 kHz(-3dB) 10Hz~90 kHz(-3dB) 5Hz~86kHz(-3dB)

20Hz~20kHz(-0.5dB)

20Hz~50kHz(-2dB)

SNR ≥120dB ≥118dB (A-weighted) ≥118dB (A-weighted)

≥ 123dB (A-weighted)

Output impedance ≤1Ω <1Ω ≤1.1Ω

≤1.5Ω(32Ω)

THD+N <0.0006%(1kHz/32Ω)) <0.003%(1kHz/32Ω) <0.00084%(1kHz/32Ω)

≤0.00066%(1kHz/32Ω)

Separation ≥76dB(1kHz/32Ω) >72dB >72dB(1kHz/32Ω)

≥79dB(1kHz/32Ω)

>113dB(No load)
Noise floor <2μV <5uV(20k low pass) <3μV

≤ 1.8 μV (A-weighted)

Headphone out specifications 2(2.5mm port)  
Output power 1 ≥500mW(16Ω / THD+N<1%) ≥480mW(16Ω / THD+N<1%) ≥460mW(16Ω / THD+N<1%)

≥550mW(16Ω / THD+N<1%)

Output power 2 ≥588mW(4.3V)(32Ω /THD+N<1%) ≥550mW(4.2V)(32Ω /THD+N<1%) ≥550mW(32Ω /THD+N<1%)

≥670mW(32Ω /THD+N<1%)

Output power 3 ≥88mW(300Ω /THD+N<1%) ≥88.5mW(300Ω /THD+N<1%) ≥88.5mW(300Ω /THD+N<1%)

≥90mW(300Ω /THD+N<1%)

Frequency response 20Hz~92kHz(-5dB) 10Hz~90 kHz(-3dB) 5Hz~86kHz(-3dB)

20Hz~20kHz(-0.5dB)

20Hz~50kHz(-2dB)

SNR ≥120.5dB ≥118dB (A-weighted) ≥119dB (A-weighted)

≥ 123dB (A-weighted)

Output impedance <2Ω <2Ω ≤2.4Ω

≤2.6Ω(32Ω)

THD+N <0.00146%(1kHz/32Ω) <0.002%(1kHz/32Ω) <0.00108%(1kHz/32Ω)

≤0.00043%(1kHz/32Ω)

Separation ≥111dB(1kHz/32Ω) >107dB >108dB(1kHz/32Ω)

≥112dB(1kHz/32Ω)

>115dB(No load)
Noise floor <3μV <7uV(20k low pass) <4μV

≤ 3.1 μV (A-weighted)

File format support  
Lossless: DSD:DSD64/128/256(“.iso”,“.dsf”,“.dff”),DST iSO DSD:DSD64/128/256(“.iso”,“.dsf”,“.dff”),dst DSD:DSD64/128/256(“.iso”,“.dsf”,“.dff”),dst DSD:DSD64/128/256(“.iso”,“.dsf”,“.dff”),dst
DXD:352.8K/24bit DXD:352.8K DXD:352.8K DXD:352.8K
APE FAST/High/Normal:384kHz/24bit(MAX) APE FAST/High/Normal:384kHz/24bit(MAX) APE FAST/High/Normal:384kHz/24bit(MAX) APE FAST/High/Normal:384kHz/24bit(MAX)
APE Extra High:192kHz/24bit(MAX) APE Extra High:192kHz/24bit(MAX) APE Extra High:192kHz/24bit(MAX) APE Extra High:192kHz/24bit(MAX)
APE Insane:96kHz/24bit(MAX) APE Insane:96kHz/24bit(MAX) APE Insane:96kHz/24bit(MAX) APE Insane:96kHz/24bit(MAX)
Apple Lossless:384kHz/32bit(MAX) Apple Lossless:384kHz/32bit(MAX) Apple Lossless:384kHz/32bit(MAX) Apple Lossless:384kHz/32bit(MAX)
FLAC:384kHz/32bit(MAX) AIFF:384kHz/32bit(MAX) AIFF:384kHz/32bit(MAX) AIFF:384kHz/32bit(MAX)
WAV:384kHz/32bit(MAX) FLAC:384kHz/32bit(MAX) FLAC:384kHz/32bit(MAX) FLAC:384kHz/32bit(MAX)
WMA LOSSLESS:96kHz/24bit(MAX) WAV:384kHz/32bit(MAX) WAV:384kHz/32bit(MAX) WAV:384kHz/32bit(MAX)
  WMA LOSSLESS:96kHz/24bit(MAX) WMA LOSSLESS:96kHz/24bit(MAX) WMA LOSSLESS:96kHz/24bit(MAX)
Lossy compression: MP3, OGG, WMA, AAC, etc MP4,OGG,WMA,AAC… MP4,OGG,WMA,AAC… MP4,OGG,WMA,AAC…