Klipsch Mode M40 - Troubleshooting Common Issues; Low or No Volume Solutions; Troubleshooting Noise Cancelling; Sound Quality Issues

TROUBLESHOOTING
Low or no volume
Check that audio source is powered on and that the volume is turned up .
Check that the audio cable is properly connected and not damaged.
The headphones will not work if the power is switched on and the battery is fully
discharged. Replace AAA battery or use with power switch in the off position .
No noise cancelling
Check that power switch is in on (forward) position.
Replace AAA battery .
Sound in one side only or crackling sound
Check that the audio cable is properly connected and not damaged.
Power indicator flashing
Replace AAA battery.