Broadcast Devices DAB-300-1 Dual Path IBOC SwitcherThe DAB 300 series dual path audio switchers were designed to address the need to switch two audio paths simultaneously for in band on channel (IBOC) transmission format. Maintaining time alignment between analog and digital transmitter signal paths is essential for proper performance. The DAB 300 allows the station operator to have a pair of analog and digital paths and allow them to be switched together in the event of an analog or digital audio