Symptoms |
Possible Cause |
Solution |
No sound in headphones / muffled sound |
Basestation power is off |
Check power switch |
Basestation AC adapter not working |
Check AC adapter & plug |
Headphones battery low |
Charge headphones battery |
Headphones power is off |
Switch headphones power on |
If using basestation batteries they may be low |
Replace basestation batteries or switch to AC power |
Channel for basestation and headphones not the same |
Switch to same channel on both basestation and headphone |
Audio cable not plugged in fully |
Check cable connections to and from basestation |
Volume level set too low |
Adjust volume on both headphones and on source component |
Interference with RF signal |
Relocate basestation or headphones |
MUTE setting on source component |
Check setting |
Distortion / interference |
Channel for basestation and headphones not the same |
Switch to same channel on both basestation and headphone |
Audio cable not plugged in fully |
Check cable connections |
Interference with RF signal |
Relocate basestation or headphones, try different AC power outlet |
Volume level on source component set too high |
Adjust volume level until distortion is gone |
Transmission distance too far |
Move closer to basestation |
RF signal obstructed |
Relocate basestation or headphones |
Interference with other RF device |
Try changing to different channel on basestation and headphones |
Other wireless devices conflicting |
Relocate devices or change channel on devices to eliminate issue |
Sound in only one speaker / channel |
Audio cable not plugged in fully on basestation or component |
Check cable connections to and from basestation |
Mono signal at basestation |
Use stereo signal |
Right / left balance incorrect |
Check speaker balance |
Both headphone speakers work but MONO sound |
Mono signal at basestation |
Use stereo signal |
Stereo converted to mono |
Check audio settings at component |
RF signal obstructed |
Degraded RF signal strength can cause digital circuitry to send mono signal, relocate basestation |
Audio cable not plugged in fully |
Check cable connections |
Headphones battery not charging |
Check orientation of battery |
Follow legend in battery compartment |
Battery may have expired |
Replace with new battery |
AC adapter not plugged in |
Check AC adapter & plug |
Basestation batteries not working |
Basestation batteries have expired |
Charging not supported on basestation batteries, replace batteries |
Microphone not working |
Microphone not installed |
Plug microphone into mic jack on bottom of right ear cup |
Microphone positioned to far from mouth |
Re-orient microphone so RED DOT faces your mouth |
Microphone sensitivity set too low |
Adjust sensitivity in application |
Microphone cable not plugged in fully on basestation or component |
Check cable connections to and from basestation |
Channel for basestation and headphones not the same |
Switch to same channel on both basestation and headphone |
Interference with other RF device |
Try changing to different channel on basestation and headphones |
Transmission distance too far |
Move closer to basestation |
MUTE setting on source component |
Check setting |
CUSTOMER SUPPORT
Please be sure to completely review the users manual before contacting customer support for troubleshooting issues. Most issues can be resolved by following the guidelines provided in this manual. Customer support can be reached by sending an email to support@4headphone.com
Be sure to describe the issue in detail so that our staff can accurately respond to the issue.
We may also be reached by calling 815-521-9116 Mon – Fri (10 am - 4 pm, central time). Please be sure you are by your headphones and are able to duplicate the issue while on the phone with the support staff.