3. Power/Volume knob, Gain, Bass, Charge switch indication of Q3 MQA


【Power/Volume knob】

Turn the "Power/Volume" knob clockwise until a sound is heard, the device is turned on.

Continue to rotate to increase the volume. Rotate counterclockwise to decrease the volume. Continue to rotate until a sound is heard. The device is turned off.
【GAIN button: Gain/Reset button/Green indicator light】
Switch high/low gain
Single click (Green light off means low gain; green light on means high gain.)
Long press the button for 15 seconds until the RGB indicator light goes out, then the system is reset.
Enter UAC 1.0 mode
Hold the Gain button and connect the Q3 MQA to the computer via USB.(Do not hold the button for more than 10s or the Q3 MQA may be reset)
【BASS switch: Bass】
Bass boosting
Can be turned on or off based on users preference. (Available both in AUX and USB DAC modes.)
【CHARGE switch: Charging】
1. When the charge switch is turned to ON, the Q3 will be charged once connected to a USB device. But if the charge switch is turned to OFF, it will not be charged.
2. When connecting to a mobile device, it is suggested to set the charge switch to OFF in order to save the power of the mobile phone.
3. When the charge switch is OFF, the Q3 will not only stop charging the battery, but also not consume the current on the USB device. (That is, when the Q3 is connected to a mobile phone for decoding, it will not consume the power of the phone.)