The degree of latency is determined by the transmitter. Paired Bluetooth devices can only communicate by using the same audio CODEC. If your transmitter* does not support the aptX-LL low-latency Bluetooth audio CODEC, even though your BeHear headset does, you may sense a delay in the audio delivery.

• aptX-LL provides the best performance with minimal latency. It is the recommended setting, and the BeHear default.
• aptX is similar to aptX-LL but the latency is slightly longer.
• SBC is the standard Bluetooth CODEC supported by all devices, latency is long and not fixed.

* The HearLink PLUS transmitter does support the aptX-LL low-latency audio CODEC, so you will not detect any audio delay when using it with your BeHear headset.

The degree of latency is determined by the transmitter. Paired Bluetooth devices can only communicate by using the same audio CODEC. If your transmitter* does not support the aptX-LL low-latency Bluetooth audio CODEC, even though your BeHear headset does, you may sense a delay in the audio delivery.

• aptX-LL provides the best performance with minimal latency. It is the recommended setting, and the BeHear default.
• aptX is similar to aptX-LL but the latency is slightly longer.
• SBC is the standard Bluetooth CODEC supported by all devices, latency is long and not fixed.

* The HearLink PLUS transmitter does support the aptX-LL low-latency audio CODEC, so you will not detect any audio delay when using it with your BeHear headset.

The HearLink PLUS Bluetooth transmitter (using the aptX-LL CODEC) achieves low latency of only 40ms, avoiding lip sync issues.

The current versions of both our headsets (BeHear NOW and BeHear ACCESS) support both the Qualcomm aptX “classic” and aptX-LL (low latency) codecs.

If you are experiencing sound distortion while multiple Bluetooth devices are connected to your BeHear headset, we recommend that you modify the default CODEC (APTX LL) and choose either the APTX or SBC CODEC instead.

This can be done in the W&H BeHear app, while your headset is paired and connected to your smartphone.

1. Go to the Settings menu.
2. Choose Device.
3. Scroll down to the “ADVANCED” section and choose the desired CODEC from the dropdown list.

Note: You will need to turn your headset off and then back on to apply the modification.

Check these possible causes :

1. One of the headsets is out of range. The quality of the Bluetooth connection (and associated audio distortions) depends on the weakest connection of the two connected headsets. For example, audio distortions may be heard by the wearer of the headset closest to the HearLink/HearLink PLUS transmitter when the second headset is out of the transmitter’s range.
2. One of the headsets is not a BeHear headset. The active CODEC (SBC, aptX or aptX-LL) for the HearLink PLUS transmitter is determined according to the common denominator for the both headsets. Two BeHear headsets will always operate in aptX-LL mode. However, if one of the connected headsets is not a BeHear headset, and it doesn’t support aptX, both headsets will work in the lower quality SBC mode only.
3. Each headset is paired to a different mobile phone. It is not recommended to connect two headsets simultaneously to one HearLink PLUS and maintain separate smartphone connections for each headset. This is due to problems which may arise when the wearer desires to switch the audio stream between his/her phone and HearLink PLUS (e.g., for an incoming call from one of the phones).