DC Blocker by iFi Audio – Part of SilentPower by iFi Got big amplifier? Say goodbye to mechanical hum. The iFi Audio DC Blocker is the perfect solution for eliminating the annoying hum from your amplifier’s toroidal transformer. This hum, caused by small amounts of DC voltage in the mains, can saturate your amplifier’s transformer and disrupt your listening experience. The DC Blocker stops DC from entering the amplifier, ensuring smooth, hum-free operation. Eliminate Transformer Hum – ZERO DC Pass Through The DC Blocker is a compact and clever device that attaches to the IEC power inlet of your amplifier. It intelligently blocks DC voltage from reaching the transformer, eliminating the hum and ensuring your equipment performs at its best. Eliminates transformer hum caused by DC voltage in the mains. Retains EMI shielding to maintain high sound quality. Maintains equipment safety – no impact on your system’s protection. Universal Application for All Amplifiers Whether you have a large amplifier or a smaller system, the DC Blocker fits seamlessly into your setup. It supports voltages between 90-240V with a maximum rating of 7A and continuous current rating of 4A. Its small size ensures it won’t obstruct any connectors or cables. Compatible with all amplifiers and systems with an IEC power input. Compact size – no interference with other components or connections. UL listed for safety, with a high-performance glass passivated semiconductor and fireproof polymers (UL94-V0 rated). Advanced Safety and Performance The DC Blocker ensures your amplifier operates in its optimal environment, removing DC and eliminating mechanical transformer hum. Featuring a high case dielectric strength of 1500VRMS and flame-resistant materials, this smart device provides cutting-edge protection for your equipment. EMI shielding is retained and with ZERO DC pass through, the DC Blocker is a must-have for any high-performance audio system. Enjoy hum-free audio with iFi Audio’s advanced DC Blocker.
