基本规格
名称/型号 K11 硬件方案

SoC: GD32F303RE, DAC:CS43198

USB decoding: SA9312L

SPDIF decoding: MS8422N

AMP: SGM8262-2*2

彩色 Black/Silver/Titanium 音量控制 音量旋钮
重量 About 407g 尺寸 147x133x32.3mm (Including feet)
增益 L/M/H 自适应阻抗 PO: 8 ~ 150Ω
免驱动模式(切换模式) 支持 BAL: 8 ~ 350Ω
最大支持采样率 384kHz-32bit/DSD256  Native 16/24/32bit (USB DAC) 采样率指示 Show on display screen
192kHz-24bit (Coaxial) LOGO indicator light shows as default: Cyan: 48KHz and below/Yellow: 48kHz and above/Green: DSD
96KHz-24bit (Optical) 固件升级 支持通过USB升级
卓苧控制 N/A    
按键与接口
旋钮

Encoder knob (including volume

adjusting and menu confirming)

USB Type-C (data transmission)
Single-ended line-out RCA端口 Digital optical in 光端口
Digital coaxial in RCA端口 Digital coaxial out RCA port (only works in USB mode)
balanced output interface 标准4.4毫米插座 耳机输出 标准6.35 mm端口
电源参数
工作电源 DC 12V/2A 电池容量 电池无
音频参数
Parts of performance and parameters of Line-out output (RCA)
THD + N和噪音 <0.00035% (1kHz/-0.3dB@10KΩ) SNR ≥ 126dB ( A加权)
串扰 ≥120dB 本底噪声 <0.9uV (A-weighted)
频率响应 20Hz~50kHz: damping<0.1dB 线路输出电平 1.95Vrms
  20Hz ~ 20KHz :阻尼< 0.1dB    
Parts of performance and parameters of headphone output (6.35mm)
输出功率 L+R≥720mW +720mW (16Ω, THD+N<1%) 输出阻抗 < 1.2Ω
L+R≥520mW +520mW (32Ω, THD+N<1%) 串扰 ≥71dB
L+R≥60mW+60mW (300Ω, THD+N<1%) 峰值输出电压 12Vp-p
SNR ≥ 123dB ( A加权) THD + N和噪音 <0.00059% (1kHz/-8.1dB@32Ω)
频率响应 20Hz~50kHz: damping<0.2dB 本底噪声 <2.8uV (A-weighted)
20Hz ~ 20KHz :阻尼< 0.1dB    
Parts of performance and parameters of headphone output (4.4mm)
输出功率 L+R≥570mW+570mW (16Ω, THD+N<1%) 输出阻抗 <2.4Ω
L+R≥1400mW+1400mW (32Ω, THD+N<1%) 串扰 ≥106dB
L+R≥250mW+250mW (300Ω, THD+N<1%) 峰值输出电压 24.5Vp-p
SNR ≥ 123dB ( A加权) THD + N和噪音 <0.0010% (1kHz/-14.5dB@32Ω)
频率响应 20Hz~50kHz: damping<0.2dB 本底噪声 <4.9uV (A-weighted)
20Hz ~ 20KHz :阻尼< 0.1dB    

 

 

 

 

 

Frequency Response Curve 1    

 

Test conditions: USB in, -5dB sinusoidal signal, high gain, 20Hz-20kHz, 6.35 headphone out (32Ω load)


Red: Left channel; Blue: Right channel    

频率响应曲线2

 

Test conditions: Coaxial in, -5dB sinusoidal signal, high gain, 20Hz-20kHz, 6.35 headphone out (32Ω load)


红色:左声道;蓝色:右声道

频率响应曲线3

 

Test conditions: Optical in, -5dB sinusoidal signal, high gain, 20Hz-20kHz, 6.35 headphone out (32Ω load)


红色:左声道;蓝色:右声道

频率响应曲线3

 

Test conditions: Optical in, -14.4dB sinusoidal signal, high gain, 4.4 BAL headphone out (32Ω load)


红色:左声道;蓝色:右声道

THD+N Curve 1    

 

Test conditions: USB in, -8.1dB sinusoidal signal, high gain, 6.35 headphone out (32Ω load)


红色:左声道;蓝色:右声道

THD+N Curve 2

 

Test conditions: Coaxial in, -5.4dB sinusoidal signal, high gain, 6.35 headphone out (32Ω load)


红色:左声道;蓝色:右声道

Amplitude Distortion Curve 1

 

BAL H output4V@32Ω

Amplitude Distortion Curve 2

 

PO H output2V@32Ω