Eartec
Eartec CHLX10EAU UltraLITE/HUB 10-Port Multi-Charger with AU Adapter
You will notice Industrial Service Solutions includes a quick-start guide in the box.
Eartec HUB9DMXD UltraLITE 9-Person Headset System: 8 ULDR, 1 Max 4G Double
A nice touch on the Staburags NBU 30 PTM is the easy-to-read control panel layout.