Audio-Technica ATH-CK2000Ti In-Ear Headphones (Open box) used Furthermore as standard included you

Furthermore as standard included you get 5 pairs silicon

Gold-plated analog rotary volume controller

Sennheiser HD 700 audio cable with 6

YKK zippers

DSD support

Audio-Technica ATH-CK2000Ti In-Ear Headphones (Open box) used Furthermore as standard included youFeaturing dual phase push pull drivers of different diameters (9. 8 mm and 8. 8 mm), the ATH CK2000Ti in ear headphones deliver exceptional full range audio, and are capable of Hi Res Audio reproduction. In the unique push pull system, the drivers face each other, but are wired out of phase, providing lower harmonic distortion and improved damping and bass frequency control. The use of drivers with different diameters improves high frequency response.