Question Awesome BEATS does not work on Nexus 5 Experience - CM11 Based

Hi guys I am using Nexus 5 Experience - CM11 Based R4.4 on my Nexus 4 and I found Awesome BEATS does not work on this ROM no matter I use earphone or not. I am sure I wipe everything before flashing this ROM. I try to change the setting but the sound doesn't change, it still the same . thank you for helping