As above, or there is this from the manufacturers (Airlink) website https://airlinktransformers.com/cate...d-power-supply:
•Extensively used in small recording studios and High end audio installations
•Help reduce mains interference
•Range from 500va to 5000va
•True Balanced 230V Power
•Removes Power Line Noise
•Eliminates Ground Loops in House Wiring
•Reduces Radiated Fields from Power Cords
•Soft Start Protects Equipment From Turn-On Surges
•Reduces Interference Between Equipment