InfoComm 2018: Bogen Unveils the C4000 IP-Based Paging and Audio Distribution SystemJune 11, 2018 | Home / June 11, 2018 rave-video / InfoComm 2018: Bogen Unveils the C4000 IP-Based Paging and Audio Distribution System InfoComm 2018: Bogen Unveils the C4000 IP-Based Paging and Audio Distribution System