ATH-CKS55i is a less expensive sequel to last year’s ATH-CKS77, reusing the same housing design with only small changes. As before, ATH-CKS55i achieves an unusually strong level of bass performance for an in-ear design by cheating the “in-ear” definition a little, creating twin air chambers that extend considerably outside of your ear, akin to traditional earbuds capped with your choice of four included sizes of silicone in-canal…
