TECH SPECSAt a GlanceMultiplatform compatibility4 x 50 mm driversFoldable unidirectional microphoneIn-line volume control3.5 mm combined audio jackHeadphonesDrivers: 4 x 50 mm Titanium coated diaphragm with Neodymium magnetsFrequency response: 20 – 20 kHzImpedance: front 32 Ω, back 16 ΩMaximum input..