| General Specifications |
| Name/Model |
BTR17 |
Hardware solution |
DAC: ES9069Q*2, USB DAC: XMOS XU316*1, Bluetooth: QCC5181 |
| Color |
Black/Blue |
Volume control |
Physical volume knob |
| Weight |
About 73.4g |
Dimensions |
About 16.3×41.2×86.6mm |
| 免驱模式（切换模式） |
Supported |
Desktop mode |
Supported |
| MQA |
MQA full decoding |
Channel balance |
＜0.2dB |
| Gain |
L/H |
Status indication |
屏幕显示蓝牙编码、音量、增益、USB模式、采样率等 |
| Display |
1.3-inch color IPS display |
Firmware upgrade |
Bluetooth firmware supports OTA upgrade |
| 蓝牙接收（5.4） |
AAC/SBC/aptX/aptX Adaptive/aptX Lossless/aptX HD/LDAC |
XMOS/System firmware supports upgrade through USB |
| Max supported sampling rate |
PCM: Up to 768kHz/32bit |
Adaptive impedance |
PO: 8~150Ω |
| DSD: Up to DSD512 (Native), DOP256 |
BAL: 8~300Ω |
| 蓝牙编码显示（指示灯颜色与屏幕字符 |
蓝色：SBC；青色：AAC；紫色：aptX；黄色：aptX HD；白色：LDAC；绿色：aptX Adaptive；红色：aptX Lossless |
楠晟屿 Control |
Supports settings through app |
| In-vehicle mode |
Automatically turn on/off with the vehicle's USB |
| Deep standby |
无任何连接时，3分钟后自动进入省电关机状态，定时可在App中设置 |
Microphone function |
支持蓝牙通话，内置全向麦克风+支持CTIA线控麦克风 |
| Buttons and Ports |
| Button |
开/关机*1；上一曲*1；下一曲*1；音量旋钮（带确认）*1 |
USB |
Type-C USB（供电/数据传输）/Type-C USB POWER IN（橙色，供电） |
| Headphone out |
Standard 3.5mm port |
Balanced headphone out |
Standard 4.4mm port |
| Slide switch |
模式开关（PC/BT/PHONE）*1；台式模式开关*1 |
|
|
| Power Supply Parameters |
| Power supply |
DC 5V ≥2A |
Charging time |
≤2h |
| 续航时间及测试条件 |
| 3.5mm headphone out: ≥9h |
| Audio input |
Bluetooth receiving |
Bluetooth codec |
AAC |
| Volume level |
23 level |
Gain |
High |
| Display status |
Off |
Playing track and format |
MP3 44.1KHz/16bit |
| EQ |
Off |
Load |
32Ω |
| 4.4mm balanced headphone out: ≥8h |
| Audio input |
Bluetooth receiving |
Bluetooth codec |
AAC |
| Volume level |
18 level |
Gain |
High |
| Display status |
Off |
Playing track and format |
MP3 44.1KHz/16bit |
| EQ |
Off |
Load |
32Ω |
| 3.5mm headphone out: ≥10h |
| Audio input |
手机模式（将模式开关拨至PHONE位置） |
Gain |
High |
| Volume level |
23 level |
Playing track and format |
44.1KHz/16bit |
| Display status |
Off |
Load |
32Ω |
| EQ |
Off |
|
|
| 4.4mm balanced headphone out: ≥9h |
| Audio input |
手机模式（将模式开关拨至PHONE位置） |
Gain |
High |
| Volume level |
18 level |
Playing track and format |
44.1KHz/16bit |
| Display status |
Off |
Load |
32Ω |
| EQ |
Off |
|
|
| Audio Parameters |
| 耳机输出性能与参数（3.5mm，UAC 解码，台式模式：高增益） |
| Output power |
L+R≥330mW+330mW (16Ω, THD+N＜1%) |
Output impedance |
＜1Ω |
| L+R≥280mW+280mW (32Ω, THD+N＜1%) |
Crosstalk |
≥78dB |
| L+R≥30mW +30mW (300Ω, THD+N＜1%) |
Peak output voltage |
8.5Vp-p |
| *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。 |
＜0.0015% (1kHz/-18dB@32Ω) |
SNR |
≥120dB (A-weighted) |
| Frequency response |
20Hz~80kHz: attenuation＜3dB |
Noise floor |
＜3uV（A计权） |
| 20Hz~20KHz: attenuation＜0.1dB |
| 平衡耳机输出性能与参数（4.4mm，UAC 解码，台式模式：高增益） |
| Output power |
L+R≥480mW+480mW (16Ω, THD+N＜1%) |
Output impedance |
＜1.5Ω |
| L+R≥650mW+650mW (32Ω, THD+N＜1%) |
Crosstalk |
≥120dB |
| L+R≥125mW+125mW (300Ω, THD+N＜1%) |
Peak output voltage |
17.5Vp-p |
| *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。 |
＜0.00035% (1kHz/-10dB@32Ω) |
SNR |
≥126dB (A-weighted) |
| Frequency response |
20Hz~80kHz: attenuation＜3dB |
Noise floor |
＜2.2uV（A计权） |
| 20Hz~20KHz: attenuation＜0.1dB |
| 耳机输出性能与参数（3.5mm，UAC解码，非桌面模式：高增益） |
| Output power |
L+R≥130mW+130mW (16Ω, THD+N＜1%) |
Output impedance |
＜1Ω |
| L+R≥140mW+140mW (32Ω, THD+N＜1%) |
Crosstalk |
≥78dB |
| L+R≥20mW +20mW (300Ω, THD+N＜1%) |
Peak output voltage |
6.5Vp-p |
| *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。 |
＜0.0022% (1kHz/-12dB@32Ω) |
SNR |
≥120dB (A-weighted) |
| Frequency response |
20Hz~80kHz: attenuation＜3dB |
Noise floor |
＜2.1uV（A计权） |
| 20Hz~20KHz: attenuation＜0.1dB |
| 平衡耳机输出性能与参数（4.4mm，UAC 解码，非台式模式：高增益） |
| Output power |
L+R≥180mW+180mW (16Ω, THD+N＜1%) |
Output impedance |
＜1.5Ω |
| L+R≥300mW+300mW (32Ω, THD+N＜1%) |
Crosstalk |
≥105dB |
| L+R≥35mW+35mW (300Ω, THD+N＜1%) |
Peak output voltage |
9.3Vp-p |
| *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。 |
＜0.0008% (1kHz/-4dB@32Ω) |
SNR |
≥122dB (A-weighted) |
| Frequency response |
20Hz~80kHz: attenuation＜3dB |
Noise floor |
＜2.3uV（A计权） |
| 20Hz~20KHz: attenuation＜0.1dB |
