| General Specifications |
| Name/Model |
BTR15 |
Hardware Scheme |
解码：ES9219MQ*2，USB：XMOS XU316，蓝牙解码：QCC5125 |
| color |
Black/Blue |
Volume Control Type |
实体按键 |
| Weight |
约37.3g |
三围尺寸 |
approximately 32.0x72.2x12.5mm |
| MQA Renderer |
support |
手机解码（小尾巴模式） |
支持（将模式开关拨至手机档） |
| 免驱模式（切换模式） |
support |
Car mode |
can follow the car USB automatic switch machine |
| Microphone function |
支持蓝牙语音通话，内置全向麦克风 |
Channel Balance |
<0.2dB |
| gain |
L/H |
楠晟屿 Control |
支持APP设置 |
| Bluetooth format indication |
support |
Status Indication |
屏幕显示传输格式、充电、电量、音量、采样率、菜单 |
| Deep Standby |
无任何连接时，2分钟后自动进入省电关机，时间可通过APP设置。 |
蓝牙接收（5.1） |
AAC/SBC/aptX/aptX LL/aptX adaptive/aptX HD/LDAC |
| screen |
0.96 inch OLED |
Firmware Upgrade |
Bluetooth firmware can be upgraded via OTA |
| Maximum supported sampling rate |
PCM: support up to 384KHz/32bit |
XMOS firmware can be upgraded via USB |
| DSD: Support up to DSD256 |
阻抗适配 |
PO:8~150Ω
BAL:8~350Ω |
| Keys and Interfaces |
| key |
电源键*1；多功能键*1；音量加减键*1 |
USB |
TYPE C USB2.0 (charging/data transfer) |
| Headphone output |
standard 3.5mm socket |
平衡输出 |
standard 4.4mm socket |
| 拨动开关 |
模式开关*1 |
|
|
| Power Parameters |
| 供电 |
DC5V 1A |
Battery Capacity |
550mAh lithium polymer battery |
| 充电时间 |
充电时间：≤ 2小时 |
|
|
| Endurance and Test Conditions |
|
|
|
| 3.5mm headphone output: ≥ 8 hours |
| Audio Input |
Bluetooth reception |
编码格式 |
AAC |
| Volume |
Level 21 |
gain |
high |
| 屏幕状态 |
Close |
Playback tracks and formats |
MP3 44.1KHz/16bit |
| EQ |
Close |
load |
32 Ω |
| 4.4mm balanced output: ≥ 8 hours |
| Audio Input |
Bluetooth reception |
编码格式 |
AAC |
| Volume |
Level 19 |
gain |
high |
| 屏幕状态 |
Close |
Playback tracks and formats |
MP3 44.1KHz/16bit |
| EQ |
Close |
load |
32 Ω |
| Audio Parameters |
| 耳机输出部分性能参数（3.5mm，UAC解码） |
| 输出功率 |
L+R≥165mW+165mW (16Ω,THD+N<1%) |
输出阻抗 |
<1Ω |
| L+R≥125mW+125mW (32Ω,THD+N<1%) |
声道分离度 |
≥ 78dB |
| L+R≥15mW +14mW(300Ω,THD+N<1%) |
输出幅度 |
2Vrms |
| 失真加噪声 |
<0.0008%(1kHz/-8dB @ 32Ω) |
信噪比 |
≥ 120dB (A-weighted) |
| 频率响应 |
20Hz ~ 50kHz: attenuation <0.8dB |
Noise floor |
<2μV（A计权） |
| 20Hz ~ 20KHz: attenuation <0.1dB |
|
|
| 平衡耳机输出部分性能参数（4.4mm，UAC解码） |
| 输出功率 |
L+R≥270mW+270mW(16Ω,THD+N<1%) |
输出阻抗 |
<1.5Ω |
| L+R≥340mW+340mW(32Ω,THD+N<1%) |
声道分离度 |
≥ 114dB |
| L+R≥50mW+50mW(300Ω,THD+N<1%) |
输出幅度 |
3.2Vrms |
| 失真加噪声 |
<0.0008%(1kHz/-6dB @ 32Ω) |
信噪比 |
≥ 122dB (A-weighted) |
| 频率响应 |
20Hz ~ 50kHz: attenuation <0.8dB |
Noise floor |
|
| 20Hz ~ 20KHz: attenuation <0.1dB |
