MXL AC-404 USB-Powered Microphone Unboxing Leave a like to see a review! My Current Giveaway: http://youtu.be/utc9qjQlH_4 Buy in the UK: http://amzn.to/19cKDbY Buy in the USA: http://amzn.to/18qjtx0 Part of our ProCon series, the AC-404 USB is a high quality capsule microphone that dramatically improves voice quality on conference calls. Ideal for people who rely on free or subscription internet conferencing services such as Skype™, the AC-404 conference mic uses boundary microphone technology and