General Specifications
Name/Model RETRO NANO Hardware solution DAC: CS43131*2, USB, Bluetooth chip: QCC5125
Color Blue/White Volume control Physical button
Weight 约28.3g(含电池) Dimensions About 55.1×37.5×13.7mm
免驱模式(切换模式) Supported Phone decoding (USB dongle mode) 支持(将工作模式切换至Phone挡位)
Microphone function 支持蓝牙通话,内置全向麦克风+支持CTIA线控麦克风 Channel balance <0.2dB
Gain L/H 楠晟屿 Control 支持通过APP设置
Deep standby mode 无连接时 5 分钟后自动进入待机模式 Status indicator 屏幕可显示传输编码、充电、电量、音量、采样率、均衡器及菜单
Bluetooth codec indicator 蓝色:SBC;青色:AAC;紫色:aptX/aptX LL;黄色:aptX HD;白色:LDAC;绿色:aptX Adaptive 蓝牙接收(5.1) AAC/SBC/aptX/aptX LL/aptX Adaptive/aptX HD/LDAC
Display 0.96-inch TFT (80*160) bezel-less display Firmware upgrade OTA upgrade, via 楠晟屿 Control
Adaptive impedance PO: 8~150Ω Max. supported sampling rate PCM: Up to 96kHz/16bit
BAL: 8~350Ω Removable battery Either power supplied by the battery of USB plug and play
Buttons and Ports
Buttons 多功能按钮*1;播放/暂停*1;音量加*1;音量减*1 USB USB Type-C (Charging/data transfer)
Headphone output Standard 3.5mm port Balanced headphone output Standard 4.4mm port
Slide switch 电源开关*1    
Power Supply Parameters
Power supply DC 5V ≥1A Charging time ≤2 hrs
Type of battery 10440 lithium battery 3.7V    
续航时间及测试条件
3.5mm headphone out: ≥7.5h
Audio input Bluetooth reception Bluetooth codec AAC
Volume 22 level Gain High
Display status Off Playing track and format MP3 44.1kHz/16bit
EQ Off Load 32Ω
4.4mm balanced headphone out: ≥7.5h
Audio input Bluetooth reception Bluetooth codec AAC
Volume 19 level Gain High
Display status Off Playing track and format MP3 44.1kHz/16bit
EQ Off Load 32Ω
3.5mm headphone out: ≥9h
Audio input USB dongle mode (switch to Phone mode) Gain High
Volume 22 level Playing track and format 44.1kHz/16bit
Display status Off Load 32Ω
EQ Off    
4.4mm balanced headphone out: ≥9h
Audio input USB dongle mode (switch to Phone mode) Gain High
Volume 19 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)
Output power L+R≥120mW+120mW (16Ω, THD+N<1%) Output impedance <0.3Ω
L+R≥100mW+100mW (32Ω, THD+N<1%) Crosstalk ≥75dB
L+R≥10mW +10mW (300Ω, THD+N<1%) Output amplitude 1.75Vrms
*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。 <0.0018% (1kHz/-4dB@32Ω) SNR ≥125dB (A-weighted)
Frequency response 20Hz~40kHz: attenuation<3dB Noise floor <1uV(A计权)
20Hz~20kHz: attenuation<0.1dB Peak output voltage 5Vpp
平衡耳机输出性能与参数(4.4mm,UAC 解码)
Output power L+R≥130mW+130mW (16Ω, THD+N<1%) Output impedance <0.3Ω
L+R≥220mW+220mW (32Ω, THD+N<1%) Crosstalk ≥124dB
L+R≥55mW+55mW (300Ω, THD+N<1%) Output amplitude 2.7Vrms
*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。 <0.0018% (1kHz/-6dB@32Ω) SNR ≥128dB (A-weighted)
Frequency response 20Hz~40kHz: attenuation<3dB Noise floor <1uV(A计权)
20Hz~20kHz: attenuation<0.1dB Peak output voltage 7.5Vpp

 

BAL PO High gai2.3V@32Ω
PO High gain 1.7V@32Ω
测试条件:USB DAC输入,-5dB正弦信号,20Hz-20kHz,3.5mm耳机输出(32Ω负载)
测试条件:USB DAC输入,-5dB正弦信号,20Hz-40kHz,3.5mm耳机输出(32Ω负载)
                       
测试条件:USB DAC输入,-5dB正弦信号,20Hz-40kHz,3.5mm耳机输出(32Ω负载)