Audio Technica BK SOLID BASS Earphones Wired Deep Bass Compatible with High Resolution Sound Sources Black ATH-CKS550X In-ear

φ9.8mm SOLID BASS HD driver with excellent transient characteristics that reproduces sharp deep bass. Large-diameter sound pipe increases sound transmission efficiency and supports high-resolution sound sources Compact body with high airtightness and wearability Closed type that prevents sound leakage