SolutionHubTech eliminates ground loop hum in Marshall speakers across Ghaziabad. We install isolation transformers or ground lift adapters to break noisy AC loops. Ideal for setups with multiple grounded devices. Enjoy silent background even with complex AV systems. Our fixes target 50/60Hz hum without compromising safety. Service for all Marshall models in Ghaziabad. https://solutionhubtech.com/marshall-repair-in-delhi.html