Two years ago, we reviewed Audio-Technica’s ATH-ANC23, a pair of hybrid earbud/canalphones with 12.5mm drivers inside. Pioneered by Sony some years ago, the hybrid earbud/canalphone design is as large as a classic earbud, resting most of its housing outside of your ear canal, but channels sound through silicone rubber tips that provide some passive noise isolation. Audio-Technica has augmented the earbuds with a battery-powered active…
