Audio Technica ATH-CK100PRO is the flagship earphone of Iron Triangle. Three unit moving iron earphones are respectively designed as high, medium and low three way three unit balanced armature. The titanium metal shell is quite textured. Its sound is clean and clear, with strong analytical power and little sound pollution, which is known as the ACG artifact.

The Audio Technica ATH-CK100PRO was 27930 yen, about 1650 yuan, and the received price was about 1750 yuan. The number of domestic goods of the same type is 2600+, and the number of goods purchased on behalf is 2000+, so the price advantage is obvious.