the AV32.1 have lots of static when connected to my pc

[henry2911]

i plugged in the speakers to the sub and connected it all to the pc but there was a really load static and hum, when i move my mouse this worsens the noise significantly, i have tried moving the sub away from my pc and changed wire and even tried the different audio connections on my motherboard (gigabyte z87 d3hp). not sure weather i need a new mobo or need do buy some sort of dac or sound card.

help would be greatly appreciated.

 

[Deleted member 217926]

MERGED QUESTION
Question from henry2911 : "Av32.1 static on my pc"

Just received the m audio av32.1 and connected it to my gigabyte z87 d3hp motherboard. Instantly there crackling and static. When I move my mouse it's worse and makes a high pitched hum. I tried all the different audio ports on my pc including the front and the rear still static. But I'm my phone's there's nothing. I'm thinking I will need a soundcard or somthing but not sure.

Could anyone help me fix this issue please