| General Specifications |
| Name/Model |
QX13 |
Hardware solution |
DAC: ES9027SPRO*1, USB decoding: XU316, Amplifier: INA1620*4 |
| Color |
Black (carbon fiber)/Titanium gold (aluminium alloy) |
Weight |
About 33.7g (carbon fiber)/About 39.2g (aluminium alloy) |
| Dimensions |
About 64.2x30.7x13mm |
Volume control |
Physical buttons |
| Display |
1.99-inch (170*320) LCD |
Recommended headphone impedance |
PO: 8~350Ω |
| Gain |
H/L |
BAL: 8~350Ω |
| Buttons and Ports |
| Buttons |
Volume button*2+Play/Pause button*1 |
USB |
Type-C USB2.0 (power supply/data transmission)+Type-C USB POWER IN
(orange, power supply/OTA upgrade)
|
| Slide switch |
Desktop mode switch*1 |
Balanced output port |
Standard 4.4mm port |
| Headphone output |
Standard 3.5mm port |
Coaxial output port |
Standard 3.5mm port (shared PO) |
| Special Function |
| Desktop mode |
Supported |
Status indication |
The display screen indicates the transmission format, volume level, gain level, USB mode, sampling rate, current display, etc. |
| EQ adjustment |
10-band dynamic EQ adjustment (±12dB), built-in 8 preset EQ styles, supports user-defined EQ |
MQA |
Support MQA full decoding |
| Screen rotation |
Supported |
Charging setting |
Supports charging the mini POWER supply
ESTICK through the POWER IN port
|
| Max. supported sampling rate |
USB DAC: Supports up to 768kHz/32bit; DSD512 (Native) |
Firmware upgrade |
Supports USB-OTA upgrade |
| Coaxial output: Supports up to 96kHz/24bit |
|
|
| Power Supply Parameters |
| Power supply |
DC 5V ≥ 1A |
|
| Audio Parameters |
| Performance and parameters of headphone output (3.5mm out, USB decoding, desktop mode, high gain) |
| Output power |
L+R≥440mW+440mW (16Ω, THD+N＜1%) |
Output impedance |
＜1Ω |
| L+R≥310mW+310mW (32Ω, THD+N＜1%) |
Crosstalk |
≥77dB |
| L+R≥40mW+40mW (300Ω, THD+N＜1%) |
Peak output voltage |
9.8Vp-p |
| SNR |
≥124dB (A-weighted) |
THD+N |
＜0.0004% (1kHz/-2dB@32Ω) |
| Frequency response |
20Hz~90kHz: attenuation＜2.8dB |
Noise floor |
＜2uV (A-weighted) |
| 20Hz~20KHz: attenuation＜0.07dB |
|
|
| Performance and parameters of headphone output (4.4mm out, USB decoding, desktop mode, high gain) |
| Output power |
L+R≥480mW+480mW (16Ω, THD+N＜1%) |
Output impedance |
＜1.5Ω |
| L+R≥900mW+900mW (32Ω, THD+N＜1%) |
Crosstalk |
≥113dB |
| L+R≥125mW+125mW (300Ω, THD+N＜1%) |
Peak output voltage |
17.5Vp-p |
| SNR |
≥124dB (A-weighted) |
THD+N |
＜0.0006% (1kHz/-8dB@32Ω) |
| Frequency response |
20Hz~70kHz: attenuation＜2.8dB |
Noise floor |
＜3.4uV (A-weighted) |
| 20Hz~20KHz: attenuation＜0.07dB |
|
|
| Performance and parameters of headphone output (3.5mm out, USB decoding, non-desktop mode, high gain) |
| Output power |
L+R≥370mW+370mW (16Ω, THD+N＜1%) |
Output impedance |
＜1Ω |
| L+R≥250mW+250mW (32Ω, THD+N＜1%) |
Crosstalk |
≥75dB |
| L+R≥30mW+30mW (300Ω, THD+N＜1%) |
Peak output voltage |
8.7Vp-p |
| SNR |
≥123dB (A-weighted) |
THD+N |
＜0.0004% (1kHz/-2dB@32Ω) |
| Frequency response |
20Hz~90kHz: attenuation＜2.8dB |
Noise floor |
＜2uV (A-weighted) |
| 20Hz~20KHz: attenuation＜0.07dB |
|
|
| Performance and parameters of headphone output (4.4mm out, USB decoding, non-desktop mode, high gain) |
| Output power |
L+R≥470mW+470mW (16Ω, THD+N＜1%) |
Output impedance |
＜1.5Ω |
| L+R≥605mW+605mW (32Ω, THD+N＜1%) |
Crosstalk |
≥113dB |
| L+R≥70mW+70mW (300Ω, THD+N＜1%) |
Peak output voltage |
13Vp-p |
| SNR |
≥122dB (A-weighted) |
THD+N |
＜0.0006% (1kHz/-6dB@32Ω) |
| Frequency response |
20Hz~90kHz: attenuation＜2.8dB |
Noise floor |
＜3.5uV (A-weighted) |
| 20Hz~20KHz: attenuation＜0.07dB |
