iFi's AC iPurifier 2 is a Parallel Mains Conditioner with Smart Diagnostics Surge Protection Shields System from Voltage Spikes Polarity and Earth Diagnostic LEDs ANC Reduces Mains Noise by >40dB (100x) Auto Single-phase Detection for Optimal Compatibility Silence Starts at the Socket The AC iPurifier 2 is a complete mains conditioning solution that tackles EMI/RFI and earthing issues before they reach your AV system. With patented Active Noise Cancellation technology, it reduces mains noise by over 100x while providing intelligent diagnostics, surge protection, and a supplementary earth connection for total system stability, all in a compact, plug-and-play form. The result is a clean power foundation that reveals greater depth, silence, and clarity. System, Protected The AC iPurifier 2 boasts built-in surge protection, capable of withstanding up to 22,000 Amps at 1,000 Volts (8/20uS). By safely absorbing sudden spikes and power surges, it shields your system at the source, proactively protecting the components you value most.