Detgyver Posted June 12, 2024 Share Posted June 12, 2024 Hi, I have a new HX Stomp. I connect it with both outputs to the Mixer. When I connect the HX Stomp also to my Laptop using the USB-Cable an unpleasant HISS noise is created. I also own a Helix Floor wich does not create this noise when I connect it the same way. Why is the HX Stomp doing his noise? Please Help! Quote Link to comment Share on other sites More sharing options...
Schmalle Posted June 12, 2024 Share Posted June 12, 2024 Plugging in the USB cable creates a path to the Laptops's ground via the USB shield. The hiss is the difference between the Laptop's ground and the mixer's ground. A battle proven fix is using a ground isolator / hum eliminator like the Behringer HD400 / Pyle PHE300 between HX's outs and the mixer. DI Boxes with ground lift work, too. 1 Quote Link to comment Share on other sites More sharing options...
Detgyver Posted June 12, 2024 Author Share Posted June 12, 2024 Thank you for the tipp. I will give it a try with the Beringer HD400. Quote Link to comment Share on other sites More sharing options...
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