SOLID BASS Heavy Compatible with High Resolution Sound Black BK Audio-Technica In-ear Earphones, Wired, Bass, Sources, ATH-CKS770X

φ11mm SOLID BASS HD driver that reproduces deep bass. Large-diameter sound pipe increases sound transmission efficiency and supports high-resolution sound sources Adopts a machined solid aluminum enclosure to reduce unnecessary resonance Comes with a pouch for storing earphones and 4 sizes of earpieces. Can reproduce wideband from 5Hz to 42,000Hz