MacSpeech today announced a new Transcription Professional Solution featuring the Olympus DS-4000 digital voice recorder. This solution features a four function side slide switch, more than 11 hours of recording time, automatic backup of recordings, and multiple user profiles. The iListen Transcription Solution Professional 4000 sells for US$549 including the DS-4000 recorder, iListen software, and a high-quality VXI-Pro headset. MacSpeech has also released iListen 1.6.6, which addresses a minor issue experienced when attempting to enter their Activation Code into version 1.6.5.