Apart from that IPX5 certification, ATH-CKP500 has two other advantages relative to most inexpensive earphones: in-ear stability and sound quality. On the first front, Audio-Technica ships these earphones with one of the largest collections of silicone inserts we’ve seen with a low-end earphone model, including three different sets of hook-shaped stabilizers, four different sets of isolating tips, and three sizes of star-shaped tips deliberately…
