| General Specifications |
| Name/Model |
K11 R2R |
Hardware solution |
SoC：GD32F303RE，DAC：楠晟屿自研R2R DAC，USB解码：SA9312L，耳放：SGM8262-2*2 |
| Color |
Black/Silver/Red/Titanium |
Volume control |
Volume knob |
| Weight |
About 420g |
Dimensions |
147x133x32.3mm (including feet) |
| Gain |
L/M/H |
Adaptive impedance |
PO: 8~150Ω |
| 免驱模式（切换模式） |
Supported |
BAL: 8~350Ω |
| Oversampling setting |
OS/NOS |
楠晟屿 Control |
N/A |
| Max supported sampling rate |
384kHz-32bit/DSD256 (USB DAC) |
Sampling rate indication |
LOGO 指示灯默认显示：青色：48kHz 及以下/黄色：48kHz 以上/绿色：DSD |
| Show on display screen |
| 192kHz-24bit (Coaxial) |
| 96kHz-24bit (Optical) |
Firmware upgrade |
Supports upgrade through USB |
| Buttons and Ports |
| Knob |
编码器旋钮（含音量调节与菜单确认） |
USB |
Type-C (data transmission) |
| Single-ended line-out |
RCA port |
Digital optical in |
Optical port |
| Digital coaxial in |
RCA port |
Digital coaxial out |
RCA port (only works in USB mode) |
| Balanced out |
Standard 4.4mm port |
Headphone out |
Standard 6.35mm port |
| Power Supply Parameters |
| Power supply |
DC 12V/2A |
Battery capacity |
No battery |
| Audio Parameters |
| 线路输出部分性能与参数（RCA，OS 模式） |
| THD+N & Noise |
About 0.025% (1kHz/0dB@10KΩ) |
SNR |
≥115dB (A-weighted) |
| Crosstalk |
≥111dB |
Noise floor |
＜5.1uV（A计权） |
| Frequency response |
20Hz~50kHz: damping＜1.2dB |
Dynamic range |
≥107dB |
| 20Hz~20KHz: damping＜0.2dB |
Line output level |
2.7Vrms |
| 耳机输出部分性能与参数（6.35mm，OS 模式） |
| Output power |
L+R≥660mW +660mW(16Ω，THD+N＜1%) |
*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。 |
About 0.025% (1kHz/0dB@32Ω) |
| L+R≥460mW +460mW(32Ω，THD+N＜1%) |
SNR |
≥115dB (A-weighted) |
| L+R≥50mW+50mW (300Ω，THD+N＜1%） |
Noise floor |
＜7.2uV（A计权） |
| Channel crosstalk |
≥72dB |
Dynamic range |
≥107dB |
| Frequency response |
20Hz~50kHz: damping＜1.3dB |
Output impedance |
＜1Ω |
| 20Hz~20KHz: damping＜0.2dB |
Peak output voltage |
11Vp-p |
| 耳机输出部分性能与参数（4.4mm，OS 模式） |
| Output power |
L+R≥520mW+520mW (16Ω, THD+N＜1%) |
*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。 |
About 0.025% (1kHz/-11.6dB@32Ω) |
| L+R≥1300mW+1300mW (32Ω, THD+N＜1%) |
SNR |
≥115dB (A-weighted) |
| L+R≥220mW+220mW (300Ω, THD+N＜1%） |
Noise floor |
＜14.1uV（A计权） |
| Channel crosstalk |
≥107dB |
Dynamic range |
≥107dB |
| Frequency response |
20Hz~50kHz: damping＜1.3dB |
Output impedance |
＜1.5Ω |
| 20Hz~20KHz: damping＜0.2dB |
Peak output voltage |
23Vp-p |
