| 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，手势操作，WiFi 串流，区分格式的 RGB 指示灯，双向蓝牙，8 层 HDI 板 |
User interface |
Customized/楠晟屿 Music |
| Chips used |
SoC：三星Exynos 7270，DAC：AK4490EN*2，FPGA：A3P030，低通滤波：OPA1612，缓冲：OPA1622*2
蓝牙芯片：三星 S5N5C10B01-6330 |
| Connectivity |
| WiFi |
2.4G，WiFi transmission supported |
Bluetooth |
4.2 |
| USB |
TYPE C Two-way USB2.0 |
Bluetooth transmit |
LDAC/aptX/aptX HD/SBC（M9 播放或作 USB DAC 使用时可用） |
| HWA（LHDC） |
Available when playing on M9 or using M9 as USB DAC |
Bluetooth receive |
SBC/LDAC (required to update to the latest firmware) |
| AirPlay |
支持（需更新至最新固件） |
DLNA |
目前支持Windows，后续将支持更多系统 |
| 楠晟屿 Link |
支持（需更新至最新固件） |
|
|
| Display screen |
| Display size |
3.2 inches |
Number of colours |
16M |
| Display type |
LG IPS screen |
Viewable angle |
Full-view |
| Resolution |
480×800 |
像素密度（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 |
理论上2TB（仅一个micro SD卡槽） |
|
|
| Buttons and ports |
| Buttons |
实体按键+侧边音量滚轮+触摸屏 |
Button customization |
N/A |
| 耳机输出（PO） |
3.5 mm headphone jack+2.5mm balanced headphone jack |
USB |
双向TYPE C USB2.0（充电/数据传输/USB DAC/USB音频） |
| 线路输出（LO） |
3.5 mm port（shared PO） |
SPDIF output |
3.5mm port（shared PO） |
| General |
| Color |
Black / Silver |
Dimensions |
60mm*106mm*13.3mm |
| Weight |
约133g |
Volume control |
120级 +/- 按键调节 |
| 推荐耳机阻抗 |
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 |
关机时屏幕显示大充电图标，开机时屏幕右上角显示小充电图标 |
Charging time |
＜2h（DC5V/2A） |
| Battery indication |
是（电量百分比精确显示） |
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
（*本产品使用符合GPLv2的固件。）
|
Font size |
N/A |
| Firmware Upgrade |
Supported |
Third-party apps support |
可安装白名单内的第三方流媒体音乐应用 |
| Line output specifications |
| *传统振膜通常依赖特定粘合剂将音圈粘合在振膜表面，这不仅增加振膜整体重量，还可能导致动圈运动时的动态失衡。局部重量分布不均会引起振动异常、改变振膜顺性，甚至因音圈擦圈而产生失真，最终影响单元整体表现。 |
＜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%) |
*传统振膜通常依赖特定粘合剂将音圈粘合在振膜表面，这不仅增加振膜整体重量，还可能导致动圈运动时的动态失衡。局部重量分布不均会引起振动异常、改变振膜顺性，甚至因音圈擦圈而产生失真，最终影响单元整体表现。 |
＜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) |
*传统振膜通常依赖特定粘合剂将音圈粘合在振膜表面，这不仅增加振膜整体重量，还可能导致动圈运动时的动态失衡。局部重量分布不均会引起振动异常、改变振膜顺性，甚至因音圈擦圈而产生失真，最终影响单元整体表现。 |
＜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 |
| 无损： |
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 |
| 有损压缩： |
MP3，OGG，WMA，AAC... |
