Review by Mr. Jeff Dorgay from Tone Audio about the Corelli
Review on positive-feedback.com On the Power Conditioner Corelli 
Nederlandse versie
Review by Mr. Ed Van Winkle On the Power Conditioner Corelli
Review by Mr. Saburo Ikugata from Phileweb On various Akiko Audio Products Dutch Translated version
Review by Mr. John van Polen from hifi.nl Dutch
On the Phono Booster and Ground Conditioner Castello English Translated version
Review Hifi-Today About the Power Conditioner Minelli German English Translated version
Review on monoandstereo.com on The Phono Booster
Review by Modul Kollektiv On the Akiko Audio Power Conditioner Corelli
Ed Van Winkle About the E-Tuning Gold mkII
Clement Perry - About the Tuning Sticks
Review on TNT-Audio About the USB TUNING and Triple AC Enhancer
Review Hifi-Today About the Triple AC Enhancer German English Translated version
Review on monoandstereo.com About The Tuning Sticks
Review on positive-feedback.com About The Tuning Sticks
Review on AVmentor About The Tuning Sticks & E-Tuning Gold mkII Greek English PDF version With scientific evidence
Review on TNT-Audio About the Tuning Sticks
Review by NOVO About the Tuning Sticks
Review on HIFI PIG About the Tuning Sticks
Review by NOVO about the Powercord HQ
Review on INFOAUDIO.PL about various Akiko Audio products Polish
Review on Philstar.com About The Tuning Sticks
Review on Puresound About The Tuning Sticks Dutch English Translated version
Review on Puresound About The Triple AC Enhancer Dutch English Translated version