A:AnswerYou cannot connect with Bluetooth, you must have an optical splitter to enable connection to the base with a separate optical cable. Then the audio output of the TV must be set to PCM mode for this to work.
A:AnswerI own only one headphones with my transmitter but according to this site: (https://en-us.sennheiser.com/can-different-wireless-headphones-be-used-with-different-transmitters) you can connect three types: RS 165 and RS 175 and RS 195 with 2 maximum headphones. I hope this helps.
A:AnswerITS EASY AS ONE TWO THREE___ THEY HAVE A TUTORIAL TAKES YOU 30 SECONDS TO HOOK UP___ IVE HAD MINE FOR THREE YEARS IN HEAVY USE___ ONE OF THE BEST INVESTMENTS YOU CAN MAKE___ THE DOWN SIDE IS I WEAR MY OUTER COVERING OF MY EAR PADS OUT; FOUND A FIX / LIQUID TAPE___ LIKE I SAID BEST INVESTMENT YOU WILL MAKE FOR YOUR TV___ IN FACT I ORDERED ANOTHER SET OF HEADPHONES SEPARATE SO TWO CAN LISTEN