Help Bluetooth audio Sony A/V receiver problem

[radiddlybopples]

So I recently upgraded from a galaxy s5 to a galaxy s6.

I used the bluetooth feature for pairing with my Sony STR DN1040 A/V receiver on my s5 with the A.F.D. Auto sound field selected and the sound was awesome and played through 7.2 surround. Now, with my s6, I haven't changed any settings on my A/V receiver but the bluetooth audio condenses the output to 2.1 when the A.F.D. Auto sound field is selected. The only change is the phone.

Any ideas as to how to fix this?

Thanks in advanced.