The iFi iPurifier2 is an USB Audio Bliss says Bansaku on Head-Fi. - iFi audio
iFi audio on Twitter: "A review of the iFi Audio USB iPurifier2 and DC iPurifier by Dave on Metal-Fi https://t.co/bYvNQSPtJS https://t.co/dHqifPY8WG" / Twitter
iFi iPurifier3 review: what's purer than pure? - Soundphile Review
Group Test: USB gadgets (AQ Jitterbug, Uptone Regen, iFi iUSB3.0, iPurifier, iPurifier2, UPDATE on p.15…) - DAC - Digital to Analog Conversion - Audiophile Style
iFi AC iPurifier - The Active Power Cleanser - Audio Bacon
ifi iPurifier3 USB Filter Review | Audio Science Review (ASR) Forum