| General Specifications |
| Name/Model |
M15S |
Hardware
|
Soc: Snapdragon 660, DAC: ES9038PRO, Amplifier: OPA926 * 2, Crystal Oscillator: NDK Femtosecond Crystal Oscillator * 2
|
| working mode |
Android mode/Pure music mode/USB DAC mode/Bluetooth receiving mode/AirPlay mode
/Roon Ready |
Weight |
about 345g |
| color |
Black |
Volume Control Type |
button control or knob control |
| Size |
about 140x80x18.9mm |
Body Memory/User Free Space (ROM) |
64GB/About 46GB |
| screen |
5.5-Inch full-fit screen (resolution 1440 * 720)
|
Gain
|
Ultra high (Quick charge)/Super high/high/medium/low
|
|
RAM
|
4GB |
Recommended headphone impedance
|
8 ~ 150Ω (single-ended output)/8 ~ 350Ω (balanced output) |
|
Storage expansion
|
Single TF card slot, up to 2TB (theoretically)
|
Channel balance
|
L20~ R20 (0.5dB per level)
|
|
Buttons and interfaces
|
|
Button
|
Physical key
|
USB |
TYPE C USB3.0 (charging/data transmission)
|
|
Headphone output
|
3.5mm single-ended |
Line output port
|
3.5 mm (shared with PO port)
|
|
Balanced output
|
2.5mm + 4.4mm balanced
|
Balanced line output interface
|
2.5mm balance + 4.4mm balance (shared with PO ports)
|
| coaxial interface |
3.5 mm (shared with PO port, up to 384kHz-32bit/DSD128)
|
|
|
| Features |
| WiFi |
2.4GHz/5GHz, supports DLNA transmission and reception, AirPlay, WiFi transmission, Roon Ready, etc. |
Bluetooth Transmitter (5.0) |
SBC, AAC, aptX, aptX HD, LDAC, LHDC |
| Bluetooth reception (5.0) |
SBC, AAC, aptX, aptX HD, aptX LL, LDAC, aptX Adaptive |
FiiO Link |
Android support WiFi and Bluetooth control, iOS support WIFI control |
| MQA |
Global 8x decoding
|
All to DSD |
support |
|
Double click to wakeup
|
support |
USB Audio |
768kHz-32bit/DSD512 (DoP/D2P/Native) |
| Maximum supported sampling rate |
Native: Up to 384kHz-32bit/DSD256
|
Car mode |
can follow the car USB automatic switch machine |
|
USB DAC up to 384kHz-32bit/DSD256
|
EQ |
10-band dynamic EQ adjustment (± 12dB), built-in 8 preset EQ, support custom EQ
|
|
Power-off timer
|
Support power saving shutdown/sleep shutdown
|
Navigation control
|
Gesture control/2-Bottom navigation/3-Bottom navigation
|
| Firmware Upgrade |
Support local storage upgrade + TF card local upgrade + OTA push upgrade
|
|
|
| Power Parameters |
| power supply |
Support QC3.0, QC4.0 and PD2.0 and PD3.0 quick charge
|
Standby Time |
>1000h |
| charging time |
About 3.5 hours (QC3.0 quick charge mode)
|
|
|
|
Battery life and test conditions
|
| 3.5mm headphone output: 10.5 hours |
| Volume |
40 |
Gain |
super high
|
| Screen status |
Off
|
Tracks formats
|
MP3 44.1kHz/16bit |
| EQ |
Off
|
Load |
32 Ω |
| 2.5mm +4.4mm balanced output: 9 hours |
| Volume |
29 |
Gain |
super high
|
| Screen status |
Off
|
Play tracks and formats |
MP3 44.1kHz/16bit |
| EQ |
Off
|
Load |
32 Ω |
| Audio Parameters |
|
PO output performance parameters (Ultra high)
|
| Output power 1 |
L+R≥535mW+535mW(16Ω / THD+N<1%) |
Output impedance |
≤ 1.4 Ω(32 Ω) |
| Output power 2 |
L+R≥580mW+580mW(32Ω /THD+N<1%) |
THD+N
|
≤ 0.0005%(1kHz/32Ω) |
| Output power 3 |
L+R≥93mW+93mW(300Ω / THD+N<1%) |
SNR
|
≥ 122.5dB(A weighted) |
|
Crosstalk
|
≥ 80dB(1kHz/32Ω) |
Noise floor
|
≤ 3.2 μV(A weighted) |
| Frequency response |
20Hz~20kHz(-0.15dB) |
Peak output voltage |
15.0 Vpp |
| 20Hz~50kHz(-1.0dB) |
|
PO output performance parameters (Super high)
|
| Output power 1 |
L+R≥475mW+475mW(16Ω / THD+N<1%) |
Output impedance
|
≤ 1.4 Ω(32 Ω) |
| Output power 2 |
L+R≥395mW+395mW(32Ω /THD+N<1%) |
THD+N
|
≤ 0.0005%(1kHz/32Ω) |
| Output power 3 |
L+R≥57mW+57mW(300Ω / THD+N<1%) |
SNR
|
≥ 121.0dB(A weighted) |
|
Crosstalk
|
≥ 80dB(1kHz/32Ω) |
Noise floor
|
≤ 3.2 μV(A weighted) |
| Frequency response |
20Hz~20kHz(-0.15dB) |
Peak output voltage |
11.7 Vpp |
| 20Hz~50kHz(-1.0dB) |
|
|
|
Line output performance parameters
|
|
THD+N
|
≤ 0.00034%(1kHz/10kΩ) |
SNR
|
≥ 124.0dB(A-weighted) |
|
Crosstalk
|
≥ 106dB(1kHz/10kΩ) |
Noise floor
|
≤ 1.2 μV(A weighted) |
| Frequency response |
20Hz~20kHz(-0.1dB) |
Line Output Level |
2.0Vrms(1kHz/10kΩ) |
| 20Hz~50kHz(-0.7dB) |
|
|
|
Balanced headphone output performance parameters (Ultra high)
|
| Output Power 1 |
L+R≥531mW+531mW(16Ω / THD+N<1%) |
Output impedance
|
≤ 2.3 Ω(32 Ω) |
| Output Power 2 |
L+R≥1200mW+1200mW(32Ω /THD+N<1%) |
THD+N
|
≤ 0.00075%(1kHz/32 Ω) |
| Output Power 3 |
L+R≥368mW+368mW(300Ω /THD+N<1%) |
SNR
|
≥ 121.5dB(A weight) |
|
Degree of separation
|
≥105.0dB(1kHz/32Ω) |
Noise floor
|
≤ 5.2 μV(A weighting) |
| Frequency response |
20Hz~20kHz(-0.15dB) |
Peak output voltage |
30.0Vpp |
| 20Hz~50kHz(-1.0dB) |
|
|
|
Balanced headphone output performance parameters (Super high)
|
| Output Power 1 |
L+R≥531mW+531mW(16Ω / THD+N<1%) |
Output impedance |
≤ 2.3 Ω(32 Ω) |
| Output Power 2 |
L+R≥990mW+990mW(32Ω /THD+N<1%) |
THD+N
|
≤ 0.00075%(1kHz/32 Ω) |
| Output Power 3 |
L+R≥226mW+226mW(300Ω /THD+N<1%) |
SNR
|
≥ 120.5dB(A weight) |
|
Degree of separation
|
≥105.6dB(1kHz/32Ω) |
Noise floor
|
≤ 5.2 μV(A weighting) |
|
Frequency response
|
20Hz~20kHz(-0.15dB) |
Peak output voltage |
23.7 Vpp |
| 20Hz~50kHz(-1.0dB) |
|
|
|
Balanced line output performance parameters
|
|
THD+N
|
≤ 0.00031%(1kHz/10 kΩ) |
SNR
|
≥ 127.7dB(A weight) |
|
Crosstalk
|
≥ 106dB(1kHz/10 kΩ) |
Noise floor
|
≤ 1.7 μV(A weighting) |
|
Frequency response
|
20Hz~20kHz(-0.1dB) |
Line output level
|
4.0Vrms(1kHz/10kΩ) |
| 20Hz~50kHz(-0.7dB) |
|
|
| Audio format support |
|
Lossless:
|
DSD:DSD64/128/256(".iso”,".dsf”,".dff”),DST iSO
DXD:352.8K/24bit
APE FAST/High/Normal:384kHz/24bit(MAX)
APE Extra High:192kHz/24bit(MAX)
APE Insane:96kHz/24bit(MAX)
Apple Lossless:384kHz/32bit(MAX)
AIFF:384kHz/32bit(MAX)
FLAC:384kHz/32bit(MAX)
WAV:384kHz/32bit(MAX)
WMA LOSSLESS:96kHz/24bit(MAX)
DTS: 192kHz/24bit（MAX）
MQA：Full Decoderer
|
|
|
| Lossy compression: |
MP3,OGG,WMA,AAC and other formats |
|
|
