ifi power supply

Reported dimensions are 1.96" × 3.74" × 1.69" (W × H × D) and the weight is about 195 g (0.43 lb).

They accept 100–240 VAC at 50–60 Hz (1.5 A) and are described as compatible with interchangeable UK/US/EU/AU wall pin types, which are sold separately.

They’re described as suitable for a wider variety of equipment, specifically called out for effect pedals (musical gear) and for stabilizing LED lighting to prevent flicker.

The reported noise floor is approximately 1 µV, and the product text also states it is about 1,000× quieter than standard SMPS wall adapters.

Yes — a reverse‑polarity adapter (reverse polarity plug) is included so the supply can be used with center‑pin negative products.