Several consoles block some external Bluetooth devices on purpose and make it impossible to pair Strap to the console. Moreover, in some consoles' controllers, the maximum output volume is intentionally decreased in order to prevent hearing damage to the player. While for some people this output is strong enough when playing with the Strap, it seems weak for others.
The solution for that is to make use of the TV audio output which lets you keep the output volume high and separately control the headphones volume and the vibrations level through the Strap itself (using its buttons). There are several setup options when choosing this solution, It depends on your TV available connections, and other preferations:
Please refer to one of these links to see how to set this up:
Note: please remember to always set your audio source to MAX volume.