| 基本规格 |
| 名称/型号 |
RETRO NANO |
硬件方案 |
DAC: CS43131*2, USB, Bluetooth chip: QCC5125 |
| 颜色 |
Blue/White |
音量控制 |
物理按钮 |
| 重量 |
About 28.3g (with battery) |
尺寸 |
About 55.1×37.5×13.7mm |
| 免驱动模式（切换模式） |
支持 |
Phone decoding (USB dongle mode) |
Supported (switch work mode to Phone position) |
| 麦克风功能 |
Supports Bluetooth voice calls, built-in omnidirectional microphone + supports in-line control for CTIA mic |
声道平衡 |
＜ 0.2dB |
| 增益 |
L/H |
卓宁控制 |
Supports settings through the APP |
| Deep standby mode |
If no connection, auto-enter standby mode after 5 minutes |
—状态指示灯。 |
Display indicates the transmission codec, charging, battery level, volume, sampling rate, EQ, and menu |
| Bluetooth codec indicator |
Blue: SBC; Cyan: AAC; Purple: aptX/aptX LL; Yellow: aptX HD; White: LDAC; Green: aptX Adaptive |
蓝牙接收(5.1) |
AAC/SBC/aptX/aptX LL/aptX Adaptive/aptX HD/LDAC |
| 显示 |
0.96-inch TFT (80*160) bezel-less display |
固件升级 |
OTA upgrade, via ZHUONING Control |
| 自适应阻抗 |
PO: 8 ~ 150Ω |
最大支持采样率 |
PCM: Up to 96kHz/16bit |
| BAL: 8 ~ 350Ω |
Removable battery |
Either power supplied by the battery of USB plug and play |
| 按键与接口 |
| 按键 |
Multifunction button*1; Play/Pause*1; Volume up*1; Volume down*1 |
USB |
USB Type-C (Charging/data transfer) |
| 耳机输出 |
标准3.5mm端口 |
平衡耳机输出 |
标准4.4mm端口 |
| 拨动开关 |
Power switch*1 |
|
|
| 电源参数 |
| 电源 |
DC 5V ≥1A |
充电时间 |
≤2 hrs |
| Type of battery |
10440 lithium battery 3.7V |
|
|
| 电池寿命和测试条件 |
| 3.5mm headphone out: ≥7.5h |
| 音频输入 |
蓝牙接收 |
蓝牙编解码器 |
AAC |
| 音量 |
22 level |
增益 |
高 |
| 显示状态 |
关 |
播放曲目和格式 |
MP3 44.1kHz/16bit |
| EQ |
关 |
负载 |
32Ω |
| 4.4mm balanced headphone out: ≥7.5h |
| 音频输入 |
蓝牙接收 |
蓝牙编解码器 |
AAC |
| 音量 |
19 level |
增益 |
高 |
| 显示状态 |
关 |
播放曲目和格式 |
MP3 44.1kHz/16bit |
| EQ |
关 |
负载 |
32Ω |
| 3.5mm headphone out: ≥9h |
| 音频输入 |
USB dongle mode (switch to Phone mode) |
增益 |
高 |
| 音量 |
22 level |
播放曲目和格式 |
44.1kHz/16bit |
| 显示状态 |
关 |
负载 |
32Ω |
| EQ |
关 |
|
|
| 4.4mm balanced headphone out: ≥9h |
| 音频输入 |
USB dongle mode (switch to Phone mode) |
增益 |
高 |
| 音量 |
19 level |
播放曲目和格式 |
44.1kHz/16bit |
| 显示状态 |
关 |
负载 |
32Ω |
| EQ |
关 |
|
|
| 音频参数 |
| Performance and parameters of headphone output (3.5mm, UAC decoding) |
| 输出功率 |
L+R≥120mW+120mW (16Ω, THD+N＜1%) |
输出阻抗 |
＜0.3Ω |
| L+R≥100mW+100mW (32Ω, THD+N＜1%) |
串扰 |
≥75dB |
| L+R≥10mW +10mW (300Ω, THD+N＜1%) |
输出幅度 |
1.75Vrms |
| THD+N |
＜0.0018% (1kHz/-4dB@32Ω) |
SNR |
≥ 125dB （ A加权） |
| 频率响应 |
20Hz ~ 40kHz ：衰减＜ 3dB |
本底噪声 |
＜ 1uV （ A加权） |
| 20Hz~20kHz: attenuation＜0.1dB |
峰值输出电压 |
5Vpp |
| Performance and parameters of balanced headphone output (4.4mm, UAC decoding) |
| 输出功率 |
L+R≥130mW+130mW (16Ω, THD+N＜1%) |
输出阻抗 |
＜0.3Ω |
| L+R≥220mW+220mW (32Ω, THD+N＜1%) |
串扰 |
≥124dB |
| L+R≥55mW+55mW (300Ω, THD+N＜1%) |
输出幅度 |
2.7Vrms |
| THD+N |
＜0.0018% (1kHz/-6dB@32Ω) |
SNR |
≥ 128dB （ A加权） |
| 频率响应 |
20Hz ~ 40kHz ：衰减＜ 3dB |
本底噪声 |
＜ 1uV （ A加权） |
| 20Hz~20kHz: attenuation＜0.1dB |
峰值输出电压 |
7.5Vpp |
