基本规格
名称/型号 KA13 硬件方案 DAC: CS43131 *2 
颜色 午夜黑/黎明银 尺寸 About 56.5*22*10.5mm
重量 About 19g 自适应阻抗 PO: 16~150Ω
采样率指示 RGB ambient light BAL: 16~300Ω
最大支持采样率 384K/32bit 固件升级 系统固件可通过USB升级
DSD64/128/256 ZHUONING control 支持
384K/32bit (coaxial)    
按键与接口
USB 端口 Type-C USB 3.5mm plug Single-ended/SPDIF output (shared)
物理按钮 Adjust volume, switch songs 4.4mm plug 均衡输出
翘板开关 Desktop mode switch    
音频参数
Parts of performance and parameters (3.5mm headphone out，, THD+N<1%, USB IN)
输出功率 L+R>290mW+290mW@16Ω(Desktop Mode ON) L+R≥70mW+70mW@16Ω(Desktop Mode OFF) 峰值输出电压 ≥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)

 

 输出阻抗 <1.7Ω
频率响应 20Hz~20kHz, damping≤0.1dB  串扰 ≥72dB (1kHz, 32Ω)
20Hz~50kHz, damping≤0.2dB 本底噪声 2.5uV&1.7uV"A"
THD+N <0.0005% (0dB, 32Ω) SNR ≥122dB (32Ω, A-weighted)
Parts of performance and parameters (4.4mm headphone out)
输出功率 L+R>500mW+500mW@16Ω(Desktop Mode ON) L+R>260mW+260mW@32Ω(Desktop Mode OFF) 峰值输出电压 ≥4.2V (32Ω, THD+N<1%)
L+R>550mW+550mW@32Ω(Desktop Mode ON) L+R≥170mW+170mW@16Ω(Desktop Mode OFF)
L+R>78mW+78mW@300(Desktop Mode ON) L+R>20mW+20mW@160(Desktop Mode OFF) 输出阻抗 <1.8Ω
频率响应 20Hz~20kHz, damping≤0.1dB 串扰 ≥110dB (1kHz, 32Ω)
20Hz~50kHz, damping≤0.1dB 本底噪声 4.6uV&3.1uV"A"
THD+N <0.0005% (-5dB, 32Ω) SNR ≥122dB (32Ω, A-weighted)

Frequency response curve 1 

 

 Test conditions: USB DAC in, -5dB sinusoidal signal, 20Hz-20kHz PO output (32Ω load)

蓝色：左通道；红色：右通道 

频率响应曲线2

 

Test conditions: USB DAC in, -5dB sinusoidal signal, 20Hz-50kHz PO output (32Ω load)

蓝色：左通道；红色：右通道

频率响应曲线4

 

Test conditions: USB DAC in, -5dB sinusoidal signal, 20Hz-50kHz BAL output (32Ω load)

蓝色：左通道；红色：右通道

频率响应曲线3

 

Test conditions: USB DAC in, -5dB sinusoidal signal, 20Hz-20kHz BAL output (32Ω load)

蓝色：左通道；红色：右通道

Amplitude distortion 2

 

Test conditions: USB DAC in, 0dB sinusoidal signal BAL output (600Ω)

Amplitude distortion 1 

 

Test conditions: USB DAC in, 0dB sinusoidal signal PO output (600Ω)

THD+N curve 1   

 

Test conditions: USB DAC in, -2dB sinusoidal signal, 20Hz-20kHz high gain PO output (32Ω load)

蓝色：左通道；红色：右通道

THD + N曲线2

 

Test conditions: USB DAC in, -5dB sinusoidal signal, 20Hz-20kHz high gain BAL output (32Ω load)

蓝色：左通道；红色：右通道