The Burst PS-5 is 5Vdc 100-240Vac 50 to 60Hz power supply.
Burst ADA-4 1x4 Unbalanced Audio DA
Burst ADA-4B 1x4 Audio DA with Bal Terminal Strip
Burst AS-4X1 4x1 Stereo Audio Switcher
Burst AS-4X1R 4x1 Stereo Audio Switcher with RS232
Burst AV4X1P 4x1 Video/Audio Passive Switcher