Introducing ATH-WS50 equipped with Audio-Technica's newly developed Double air chamber mechanism for better and deeper bass. Plus, it features a strong 40mm driver unit with a large impedance of 47 ohm to support the sound field from any kind of music. The headband is supported with a strong cover preventing it to break or bend. Each driver is covered with a thick layer of earpad for a comfortable fit. Audio-Technica's ATH-WS50 is great accessory for a professional DJ set.