Audio-Technica ATH-CKS550X BK SOLID BASS In-Ear Headphones, Wired, Deep Bass, High-Resolution Audio Compatible, Black

A φ9.8mm SOLID BASS HD driver with excellent transient response for crisp, deep bass reproduction. Large-diameter sound conduit enhances sound transmission efficiency and supports high-resolution audio sources. Compact body achieves both high sealing and comfortable fit. Closed-back design minimizes sound leakage. Includes a storage pouch and four sizes of ear tips.