Acoustic Research is one of those names which has been connected with the world of hi-fi for some 63 years now, although it has changed hands a few times .\rbr\rbrWe have just received our demonstation unit of the AR M2 and thought I would give a very brief intro to the new portable player. Worldwide Shipping!\rbr\rbr試聽會詳盡圖文版: 近期在Head-Fi 版爆紅的「AR-M2 便攜播放機」我地又點會放過有得比大家親身試玩的機會呢？呢次. Acoustic Research is one of those.