DISCOVER D312U - Specifications; Technical Details; Common Problems and Solutions; No Sound Troubleshooting

5. Specication
1) Nominal Impedance (AC): 32Ω±15%
2) Rated working power: 10mW
3) E󰀨ective frequency range: 20Hz-20KHz
4) Microphone sensitivity: -42±3dB
5) Headset sensitivity: 115±3dB
6) Sound distortion: ≤3%
6. Common Problems
Q1: No sound in headset.
Solution: Ensure the connection is correct; ensure USB port of your
computer is in good condition; ensure the 3.5mm audio connector