Avantree ht380 Digital 2.4g Wireless Ohrhörer Kopfhörer für Fernsehkonsum, Links &

Can I make them work simultaneously while using the transmitter?. If your TV does not support this feature, then you can consider the Avantree HT5009 / HT5006 and an external speaker. The Avantree Oasis Plus transmitter has a convenient bypass feature which allows you to share the TV audio simultaneously with an EXTERNAL SPEAKER and a pair of Bluetooth headphones.