Oriolus Isabellae ※この記事はHiFiGOから許諾を頂いて翻訳したものです。著作権はHiFiGOにあります。 Oriolus Isabellae: Latest Single DD IEM With Medical-Grade Resin CavitiesOriolus is a HiFi audio brand based out of Japan. They have a wide range of products under their name consisting mainly of portable amplifiers, hi-res players, and…