High-Resolution Audio capabilitynTriple Balanced Armature drivers (Full + Woofer + HD Super Tweeter) unitsn4-wire silver-coated OFC cable with L/R ground separation for a cross talk reductionnImpedance: 16Ω at 1kHznHands-free calls with in-line remote and microphonenTop-end components in the XBA-300AP ensure an uncompromised listening experience on the go. The brass sound path offers low resonance for clearer, more accurate sound, while a rigid and lightweight magnesium housing further reduces resonance and also prevents distortion. The provided XBA-300AP cable is designed to give an optimum audio performance. Its 4-wire ground separate cable cuts interference between left and right sounds, while the silver-coated OFC material helps to reduce transmission signal loss.