I too have a problem on 4.4.2 with the lowsoundfixer 1.0.8 crashing after making the first phone call. I don't have bluetooth or anything like that.
I am attaching the logcat. Maybe someone can see what is wrong.
HTC HD2 512 Leo
NAND w DataOnExt ROM: NexusHD2-JellyBean-CM11.0 V4.3
Native SD ROM: Various
Hardware Radio: 22.214.171.124