The iPower use Active Noise Cancellation+ to cancel all incoming EMI or RFI noise.It is at least 10x quieter than previous iFi power adapters, 20x quieter than audiophile linear power supplies and 1000x quieter than standard SMPS wall adapters.The iPower loves to travel.
It has 4 barrel-tip adapters which means it’s compatible with all wall pin types across the world (UK/US/EU/AU). A true-globe trotter.
It also comes with USB and centre negative adapters.

Input: 100-240VAC
Output: 5V/2.5A; 9V/2.0A; 12V/1.8A; 15V/1.2A
5.5 x 2.1mm (length: 1.8 metres/5.9 feet)

Output plug: 5.5×2.1mm input/5.5×2.5mm output (‘C’ black) 5.5×2.1mm input/4.8×1.7mm output (‘F’ black) 5.5×2.1mm input/4.0×1.7mm output (‘G’ black) 5.5×2.1mm input/3.5×1.35mm output (‘H’ black) 5.5×2.1mm right-angled extension cable. 5.5×2.1mm input/5.5×2.5mm output; Reverse Polarity Plug (‘C’ white)
5v version (only) DC > micro USB cable (for Raspberry Pi or similar micro computers)
Noise*: 1uV
Size: 82x43x40 mm
Weight: 155g (with cable)