Set the speakers to small and sort out the crossover point that sounds the best and all your problems with the sub should go away. There's an outside chance that your player won't send audio out of the digital and analogue outs at the same time. What sound settings are you running on the player?
This industry is not getting cheaper and cheaper, we're simply convincing ourselves that we have to push the cheapest option to customers. #makesonosgreatagain