| Model |
|
K5Pro ESS |
K7 |
| Appearance |
Dimension |
≈120x130x55mm |
≈120x168x55mm |
| Weight |
≈480g |
≈610g |
| Ports |
USB port |
USB-B |
USB-B |
| LO ports |
RCA Line Out、RCA Line in |
RCA Line Out、RCA Line in |
| OPT port |
Standard TOSLINK |
Standard TOSLINK |
| COAX port |
Standard RCA |
Standard RCA |
| PO ports |
6.35mm |
6.35mm, 4.4mm |
| Configuration |
Toggles |
Input |
USB IN/LINE IN/SPDIF IN |
USB/OPT/COAX/LINE |
| Output |
- |
PO/LO/PRE |
| Gain |
H/M/L |
H/L |
| Volume knob |
Volume control and power on/off |
Volume control and power on/off |
| Indicator |
≤48K：Blue
≥48K：Yellow
DSD：Green |
≤48K：Blue
≥48K：Yellow
DSD：Green
The light circle shows multiple colors when powering on and switching inputs. |
| DAC |
ES9038Q2M*1 |
AK4493SEQ*2 |
| Volume chips |
NJW1195AV |
NJU72315+OP |
| XMOS |
XMOS XUF208 |
XMOS XUF208 |
| Parameters |
Output power
THD+N＜1% |
PO |
≥1250mW(32Ω，THD+N＜1% UAC） |
-
|
| BAL |
- |
≥2000mW（32Ω ，THD+N＜1%，UAC) |
| Noise-floor |
BAL |
- |
＜5.1μV（A计权，AUX IN) |
| SNR（dbA+lowpass） |
PO |
≥118dBrA(UAC) |
≥123dBrA(UAC) |
| LO |
≥115dBrA（UAC） |
≥120dBrA（UAC） |
| THD+N |
PO（UAC） |
＜0.0009%(1 kHz，32Ω，dbA) |
＜0.00028% (1 kHz，32Ω，dbA) |
| LO（UAC） |
＜0.0012%(1kHz，10kΩ，dbA) |
＜0.0005%(1kHz，10kΩ，dbA) |
| Crosstalk |
PO：≥80dB（1 kHz 32Ω USB DAC）
LO：≥98dB （1 kHz 32Ω USB DAC） |
PO：≥77dB (1 kHz 32Ω，USB DAC)
BAL：≥124dB(1 kHz 32Ω，USB DAC) |
