Clean, protected power for your whole rack, switched on with one button. The ART PS4x4 Pro USB is the flagship rackmount power conditioner from ART, with surge protection, ART’s Advanced Power Filtering, meters, lamps and USB charging.
Why customers choose it
- Room for big adapters: eight rear AC outlets – four widely spaced – plus one unswitched front outlet.
- Protects your gear: surge and spike protection.
- Cleaner power: APF filters digital and dimmer hash and noise above the audio range, on top of electromagnetic and radio-frequency interference filtering.
- Know your power: digital meters for input voltage and load current.
- See in the dark: two pull-out front LED lamps with dimmer and switch, plus a rear gooseneck lamp.
- Handy charging: two 5 V USB ports.
Who it is for
Studios, live racks, churches, DJs and broadcast rooms that want one switch for the whole rack and better protection for costly gear.
Specifications
| Type | Rackmount power conditioner / distribution |
|---|---|
| Outlets | 8 rear (4 widely spaced), 1 unswitched front |
| Protection | Surge and spike |
| Filtering | Electromagnetic / RF interference plus Advanced Power Filtering (APF) |
| Meters | Digital input voltage and load current |
| Lights | 2 pull-out front LED lamps (dimmer), rear gooseneck lamp |
| USB | 2 x 5 V |
| Format | 1U rackmount |
Good to know
- Check the mains voltage rating on the unit label before use.
- The front outlet is unswitched – it stays on when the main switch is off.
FAQ
What is the difference from the SP4x4 Pro USB?
The PS adds a load current meter to the voltage meter.
Can it charge my phone?
Yes, it has two 5 V USB ports.




























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