Yes, you can connect Bluetooth headphones to the Sony KD-43X75WL TV, provided the headphones support the Bluetooth Advanced Audio Distribution Profile (A2DP).

- All Sony TVs released since 2021, including the KD-43X75WL, are equipped with the A2DP profile and can be connected to Bluetooth audio devices.
- To establish the connection, you need to activate the Bluetooth function on the TV, put the headphones in pairing mode and select them in the TV menu.