DC Blocker +The iFi Audio DC Blocker+ is the perfect accessory designed to eliminate unwanted DC (direct current) offset in audio signals, which can cause various issues in audio systems. Just as you're listening to the quietest of tracks, your ears pick up an annoying low level hum from inside your audio componentthe dreaded mechanical hum. Various interferences can disrupt mains electricity distorting the AC waveform and reducing audio quality. The DC Blocker+
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