Glensound PS1 Power Station Master Power SupplyPower Supplies The Signature PS1 Power Station provides a fully resilient back up power supply to your Signature Series units. It contains two switch mode power supplies, each capable of powering up to three separate Signature Series units. A pair of bright front panel LEDs indicate that each power supply is on and active. The master AC power input accepts 100 240 VAC for worldwide compatibility. Master And Back Up Power As well as providing a backup