Plug the green speaker jack into the “speaker” port.
No sound from headset ear piece while audio plays from computer.
- Check all connections.
- Consult your sound card instruction booklet.
- Check output volume level adjustment on your computer or device.
- Check that the volume is turned up on the in-line volume control.
System RequirementsTo top
Apple Macintosh OSX 10.5 and up
Windows 8 and 8.5
Most portable audio devices
The HS-75 is compatible with standard PC sound cards that have separate 3.5mm microphone and headphone ports, or a 3.5mm shared audio port. The USB-SA, EDU-USB or USB-UNIV audio adapters may also be used for USB connectivity.