Have your TV has a headphone output and USB?
Use the USB cable and 1 Powerlink Y-cable.
To this you can connect 2 power link cables.
How it works,
Connect the USB (trigger) cable to the USB port of your TV (0.5V Trigger) connect the 3.5mm mini-jack to the headphone output, stop now the Y cable into the female v / d cable.
Now you can connect 2 power link cables to your existing speakers to BeoLab.
(often in the TV menu, you need to activate the headphone)
prices,
USB (trigger) cable € 37,50 euro
Powerlink Y-cable € 20,00 euro
Not for beolab 5, 50 and 90