General specifications
Name/Model Q11 Hardware solutions DAC:CS43198
Color Black Volume control Analog Potentiometer (ADC Sampling)
Weight ≈150g(main machine) Size About 60.5 * 105.7 * 16mm
Sampling rate indicator Light blue: ≤48K

Yellow: ＞48K

Green: DSD		 Recommended headphone impedance PO: 16 ~ 150Ω
BAL: 16 ~ 300Ω
Maximum supported sampling rate 384kHz/32bit (USB, COAX)
DSD64/128/256
Buttons and interfaces
USB interface TYPE-C USB2.0 (charging/data) Knob Switch/Volume Adjustment
Toggle Switch Gain switch Ambient light window Sampling rate indicator
Light hole Power indicator SE phone out Standard 3.5mm port
SPDIF output 3.5mm port (shared with PO) BAL phone out Standard 4.4mm port
Power parameters
Power supply DC5V 2A (recommended) Battery capacity 2600mAH
Charging time <2.5H Battery life PO≥13.5H BAL≥13H
Battery life and test conditions
Audio in USB Output power 40mV
Music track MP3 44.1K-16bit Impedance 32ohms
Audio parameters
Headphone output performance parameters (3.5mm)
Output power 310mW(16Ω，THD+N<1%.USB IN) Output amplitude ≥2.3V(32Ω，THD+N<1%)
165mW(32Ω，THD+N<1%,USB IN) ≥ 2.4V (no-load)
19mW(300Ω，THD+N<1%,USB IN) Output impedance < 1.2Ω
Frequency response 20Hz~ 20Khz, curve amplitude change ≤ 0.1dB Crosstalk ≥70dB(1Khz，32Ω）
20Hz~ 50Khz, curve amplitude change ≤ 0.1dB SNR ≥ 122dB (32Ω A weighted)
THD+N < 0.0006% (-3dB, 32Ω ） Noise floor 1.8uV"A"
Headphone output part performance parameters (4.4mm)
Output power 640mW(16Ω，THD+N<1%.USB IN) Output amplitude ≥4.5V(32Ω，THD+N<1%)
650mW(32Ω，THD+N<1%,USB IN) ≥ 4.8V (no-load)
75mW(300Ω，THD+N<1%,USB IN) Output impedance < 2.0Ω
Frequency response 20Hz~ 20Khz, curve amplitude change ≤ 0.1dB Crosstalk ≥102dB(1Khz，32Ω）
20Hz~ 50Khz, curve amplitude change ≤ 0.1dB SNR ≥ 125dB (32Ω A weighted)
THD+N < 0.0006% (-6dB, 32Ω ） Noise floor 2.4uV"A"

Frequency Response Curve 1    


Test conditions: USB input, -5dB sinusoidal signal, 20hz-20Khz SE phone out (32Ω loaded)    
Red: L; Blue; R    

Frequency Response Curve 2  

 
Test conditions: USB input, -5dB sinusoidal signal, 20hz-50Khz SE phone out (32Ω loaded)    
Red: L; Blue; R    

Frequency Response Curve 3    


Test conditions: USB input, -5dB sinusoidal signal, 20hz-20Khz BAL phone out (32Ω loaded)   
Red: L; Blue; R

Frequency Response Curve 4    


Test conditions: USB input, -5dB sinusoidal signal, 20hz-50Khz BAL phone out (32Ω loaded)   
Red: L; Blue; R    

No-load Amplitude THD 1    


Test conditions: USB input, 0dB sinusoidal signal SE output (no load)    

THD Curve 1  

 
Test conditions: USB input, -3dB sinusoidal signal, 20hz-20Khz, High gain, SE phone out (32Ω loaded)    
Red: L; Blue; R

No-load Amplitude THD 2    


Test conditions: USB input, 0dB sinusoidal signal BAL output (no load)    

THD Curve 2    


Test conditions: USB input, -6dB sinusoidal signal, 20hz-20Khz, High gain, BAL phone out (32Ω loaded)    
Red: L; Blue; R