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iFi audio iDefender+ USB Type-C Ground Loop 306037 TYPE C C B&H
iDefender3.0 by iFi audio - Protect against Ground Loop Noise & Noisy USB power
iUSB3.0 Micro: "Creative USB isolator" says Hisaaki of Phileweb! - iFi audio
Group Test: USB gadgets (AQ Jitterbug, Uptone Regen, iFi iUSB3.0, iPurifier, iPurifier2, UPDATE on p.15…) - DAC - Digital to Analog Conversion - Audiophile Style