iFi AC iPurifier
This innocuous looking device is a godsend to anyone with poor grounding or noisy power. We even found that our heavily filtered, brilliantly grounded reference rigs benefited instantly and audibly from them, so now they're hiding everywhere... Buy One!
AC iPurifier – Features
1. Active Noise Cancellation (ANC): Military technology, most advanced noise-cancellation available.
2. Wireless Purification System: Complex circuit that significantly reduces power-line noise without audible or visible side-effects.
3. Ground/Earth connection diagnostic: Detection of missing Ground/Earth.
4. Polarity connection diagnostic: Detection of polarity fault.
5. Audio Earth connection: This adds a solid Ground/Earth with ground-loop prevention circuit built-in.
6. Overvoltage Surge Protection Auto-recovery.