InfoComm 2017: Lectrosonics Launches Duet In-Ear Monitor System June 14, 2017 | Home / June 14, 2017 rave-video / InfoComm 2017: Lectrosonics Launches Duet In-Ear Monitor System Look in: Infocomm 17 InfoComm 2017: Lectrosonics Launches Duet In-Ear Monitor System