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Hello and sorry you're having problems.
Philips does not offer an RF remote for this system- as it's IR-based (there's no RF receiver). However there are IR repeaters for low cost that will work just fine. You will put the IR receiver in front of where you are sitting, then the receiver connects to a box that repeats the signal and sends it to your soundbar. We use these commonly in installations where the equipment is located out of sight. The unit at the link below will work for what you want to do:
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