SilentPower by iFi Audio DC Blocker+ The iFi Audio DC Blocker+ enhances the quality of AC electricity for your audio and AV systems. Mains electricity, crucial to your audio systems, can often be disrupted by various interferences, distorting the AC waveform, and reducing audio quality. 'DC on the mains' is a common problem, particularly with amplifiers. The majority of audio components will have a circular, toroidal transformer at their heart. These transformers are excellent but have one major drawback. Any incoming mains DC, which can range from 1,000mV to several hundred millivolts, will cause an annoying 'mechanical hum'. Just as you are listening to the quietest of tracks, your ears pick up an annoying low-level hum from inside your audio component. Place the DC Blocker+ at the.
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