Try using a "ground loop isolator". Should get rid of the noise. Worked for my audio mixer and desktop headphones.
But the biggest reason for non removable battery is protection from water damage soo.....
New exec member here; anyone have any particularly good or bad experiences with Costco's car insurance? I'll be getting a quote soon, but any comments on the service/coverage? General Costco protips welcome as well :)
Try using a "ground loop isolator". Should get rid of the noise. Worked for my audio mixer and desktop headphones.