Yes, you can connect your TV or sound system to the Line-in socket on Beoplay M3. Note that when connecting to a TV, there is a small sound delay, and therefore sound and image are not completely synchronised. This delay can be disabled/enabled using the Bang & Olufsen app:
- Open the Bang & Olufsen app
- Tap the "Settings" icon in the upper-right corner
- Tap: Settings
- Tap "Products"
- Tap your Beoplay M3
- Tap "Configure"
- Tap "Sound"
- Select Line-in and tick "Disable Delay"
Note: If the delay is disabled, you cannot distribute sound from the Line-in input in a Beolink Multiroom setup.
To listen to the sound from a TV or sound system connected to Line-in, you must start playback on the connected device for Beoplay M3 to detect the audio signal.