※ All products are sold with free shipping, so: ・Please refrain from abstract requests for discounts such as "Can you lower the price?" ・Basically, please refrain from negotiating prices. ・I will not respond to requests for price reductions of 500 yen or more. ・I will not respond to requests for price reductions or persistent questions more than twice. Audio-Technica High-Resolution Earphones ATH-CKR10 I purchased these as a prize for an event, but I have some extras, so I am selling them. Equipped with the uniquely developed DUAL PHASE PUSH-PULL DRIVERS that suppress intermodulation and achieve wide-band reproduction. Ultra-high resolution playback with φ13mm drivers x 2 using pure iron yokes. High-rigidity titanium housing thoroughly eliminates unwanted resonance and achieves excellent acoustic characteristics. Employs a base acoustic register that optimally adjusts low-frequency characteristics. Staggered stranded wire and aluminum sleeve plug that suppresses unwanted vibrations for low-noise signal transmission. Equipped with the world's first* "DUAL PHASE PUSH-PULL DRIVERS" that use pure iron yokes to efficiently transmit magnetism.