InfoComm 2017: Monoprice Introduces Blackbird 4K Pro HDBaseT ExtenderJune 15, 2017 | Home / June 15, 2017 rave-video / InfoComm 2017: Monoprice Introduces Blackbird 4K Pro HDBaseT Extender Look in: Infocomm 17 InfoComm 2017: Monoprice Introduces Blackbird 4K Pro HDBaseT Extender