Promising 90% suppression of ambient noises using a combination of passive ear canal isolation and active noise-cancelling hardware, Audio-Technica's new ATH-ANC23 ($100) is the respected audio company's latest effort to bring improved sound quality to its lineup of in-canal earphones. ATH-ANC23 uses a design previously seen in Sony earphones to couple oversized 13mm drivers with three sizes of silicone rubber or one size of foam Comply tips, effectively…
