Audio Technica ATH-IM50 Dual symphonic-driver In-ear Monitor headphonesThe Audio Technica ATH-IM50 features an exclusively developed and tuned dual-symphonic driver which has two units in one space that also suppresses distortion coming from drivers and plays low tone range in high-resolution sound. Built with 8.8mm drivers, detachable cable is used to provide reliable connectivity and is maintenance free making these headphones ideal for everyone. Equipped with newly developed Symphonic dual-driver designed to reduce distortion. Detachable cord with high quality connector, designed to be attached firmly during usage. Premium Comply Foam earbuds (included) provide both a comfortable fit and outstanding sound isolation Specs:Driver Dyamic / 8.8mmFrequency Response 5 – 25,000HzOutput Sound 108dB/mWMaximum Input Power 200mWImpedence 10ΩWeight Approximately 3gPlug ∅ 3.5mm gold-plated L-Shaped stereo mini-plugAccessories Pouch, Silicon Earpieces (S/M/L), Comply Foam ear buds (M size)