Able Planet True Fidelity Noise Cancelling Headphones NC500TF AblePlanet presents the Able Planet NC500TF True Fidelity Active Noise Cancelling Headphones, a superior HEADSETS product. Award Winning Patented Technology at an incredible price. True Fidelity Headphones have award winning Active Noise cancelation combined with patented LINX AUDIO, your ears and wallet never had it so good. With fifteen International CES Awards, Able Planet is a company founded on the principles of hearing preservation, enhancement and superior sound performance.