MOONDROP Moondrop CHU 2 DSP CHU 2 Type C Version - In Ear Monitor Earphone With Mic & Type-C Plug Aluminum-Magnesium Alloy Dome Composite DiaphragmAs a dome diaphragm material, Al-Mg alloy exhibits high rigidity and light weight, thereby extending the treble bandwidth and revealing more subtle details. The diaphragm suspension...