General Specifications
Name/Model KA13 Hardware solution DAC: CS43131 *2 
Color Midnight black/Dawn silver Dimensions About 56.5*22*10.5mm
Weight About 19g Adaptive impedance PO: 16~150Ω
Sampling rate indication RGB ambient light BAL: 16~300Ω
Max supported sampling rate 384K/32bit Firmware upgrade System firmware can be upgraded via USB
DSD64/128/256 楠晟屿 control Supported
384K/32bit (coaxial)    
Buttons and Ports
USB port Type-C USB 3.5mm plug Single-ended/SPDIF output (shared)
Physical button 调节音量,切换歌曲 4.4mm plug Balanced output
Toggle switch Desktop mode switch    
Audio Parameters
部分性能与参数(3.5mm 耳机输出,THD+N<1%,USB 输入)
Output power L+R>290mW+290mW@16Ω(台式模式开) L+R≥70mW+70mW@16Ω(台式模式关) Peak output voltage ≥2.3V (32Ω, THD+N<1%)

L+R>170mW+170mW@32Ω(Desktop Mode ON)  
L+R>50mW+50mW@32Ω(Desktop Mode OFF)

 

L+R>19.5mW+19.5mW@300Ω(Desktop Mode ON)
L+R>5mW+5mW@300Ω(Desktop Mode OFF)

 

Output impedance <1.7Ω
Frequency response 20Hz~20kHz, damping≤0.1dB  Crosstalk ≥72dB (1kHz, 32Ω)
20Hz~50kHz, damping≤0.2dB Noise floor 2.5uV&1.7uV"A"
*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。 <0.0005% (0dB, 32Ω) SNR ≥122dB (32Ω, A-weighted)
Parts of performance and parameters (4.4mm headphone out)
Output power L+R>500mW+500mW@16Ω(台式模式开) L+R>260mW+260mW@32Ω(台式模式关) Peak output voltage ≥4.2V (32Ω, THD+N<1%)
L+R>550mW+550mW@32Ω(台式模式开) L+R≥170mW+170mW@16Ω(台式模式关)
L+R>78mW+78mW@300(台式模式开) L+R>20mW+20mW@160(台式模式关) Output impedance <1.8Ω
Frequency response 20Hz~20kHz, damping≤0.1dB Crosstalk ≥110dB (1kHz, 32Ω)
20Hz~50kHz, damping≤0.1dB Noise floor 4.6uV&3.1uV"A"
*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。 <0.0005% (-5dB, 32Ω) SNR ≥122dB (32Ω, A-weighted)

Frequency response curve 1 

 

 测试条件:USB DAC输入,-5dB正弦信号,20Hz-20kHz PO输出(32Ω负载)

蓝色:左声道;红色:右声道 

Frequency response curve 2

 

测试条件:USB DAC输入,-5dB正弦信号,20Hz-50kHz PO输出(32Ω负载)

蓝色:左声道;红色:右声道

Frequency response curve 4

 

测试条件:USB DAC输入,-5dB正弦信号,20Hz-50kHz 平衡输出(32Ω负载)

蓝色:左声道;红色:右声道

Frequency response curve 3

 

测试条件:USB DAC输入,-5dB正弦信号,20Hz-20kHz 平衡输出(32Ω负载)

蓝色:左声道;红色:右声道

Amplitude distortion 2

 

测试条件:USB DAC输入,0dB正弦信号 平衡输出(600Ω)

Amplitude distortion 1 

 

测试条件:USB DAC输入,0dB正弦信号 PO输出(600Ω)

THD+N curve 1   

 

测试条件:USB DAC输入,-2dB正弦信号,20Hz-20kHz 高增益PO输出(32Ω负载)

蓝色:左声道;红色:右声道

THD+N curve 2

 

测试条件:USB DAC输入,-5dB正弦信号,20Hz-20kHz 高增益平衡输出(32Ω负载)

蓝色:左声道;红色:右声道