Sendy Audio Apollo Open-Back Planar Magnetic Headphone (Open box) don't recommend eartips Total harmonic distortion: <0

Total harmonic distortion: <0

Ducking Echo

which sound on a par with the best open-type models

Grammy Award Winning Sound

8') cloth-wrapped cable Connector 3

Sendy Audio Apollo Open-Back Planar Magnetic Headphone (Open box) don't recommend eartips Total harmonic distortion: <0QUAD FORMER Technology The planar magnetic driver is made of double magnets + double sides of coils on diaphragm + double coils on each sides of diaphragm. The coils are arranged with good balance on the diaphragm. Double sides of coils means there is coil on each side of diaphragm. Double coils means there are two coils on each side of diaphragm, so there are totally 4 coils on the diaphragm, which makes the diaphragm do the same vibration for the