2 Pin 0.78mm Connector For HIFIMAN RE2000 In-Ear Earphone pin Stereo Plug Audio Jack DIY Hifi Headphone Upgrade Cable Adapter 2 Pin 0.78mm Connector For HIFIMAN RE2000 In-Ear Earphone pin Stereo Plug Audio Jack DIY Hifi Headphone Upgrade Cable Adapter. Sale price : $14.75 Category : Consumer Electronics