MoonDrop COSMO Planar Magnetic Headphone (Open Box) iem cables two-way drive units in each

two-way drive units in each earbud work just like high-performance speakers

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and headphones can be used while charging

With an operating voltage of 2V and a current of 3mA

MoonDrop COSMO Planar Magnetic Headphone (Open Box) iem cables two-way drive units in eachNanoscale Ultra thin Diaphragm The ultra thin low tension diaphragm substrate with a thickness of approx. 500nm meets the requirements of a wider frequency band, lower dive, and faster detail response speed, delivering exceptional high quality. Highly Elastic Ultra thin Pure Silver Etched Circuit The highly elastic pure silver circuit made of ultra thin silver film ensures high efficiency low heat loss and uniform stress. TBT Diaphragm Secondary