zhuangqian

Yes, I requested a return. Topping’s technical support initially agreed to it but then reneged the next day. They even cut off phone...

It isn't the ticking sound of a relay actuating; it is a popping sound heard through the headphones. Topping's engineers have confirmed...

Hello everyone, I'm new here. My Topping A70 Pro headphone amplifier produces a popping sound when adjusting the volume knob; I’d like...