I recently purchased 720cdemo from an authorized dealer and the package came with missing cables. I emailed both the dealer and cypher labs. David at cypher labs emailed me back right away asking for my shipping address. Free of charge and already shipping to me. That is superb service! I am very impress. And I cannot hear the noise with any of my full sized or portable headphones. Sounds great and lived up to the hype. Now let's hope it works with my Note 2.