Broadcast Devices ATB-300-4 Audio Toolbox AES Synchronous Audio SwitcherThe ATB 300 Series Audio Switcher DA products are a versatile way to manage AES3 and or analog audio in one package. With over 10 models to choose from the ATB 300 series make audio switching and distribution over different platforms easy. These products also feature automatic operation with silence detection which is programmable. User defined level threshold, time delay and auto revert time are available from the simple front panel setup menu. The