Spectrum Sense LLC.

Spectrum Sense, LLC specializes in the development, production, wholesaling and marketing of Spectrum HDSS® audio products for portable devices.

Who we are? Earphone supplier for businesses to retail or use as a promotional item. What sets our earphone products apart from other manufacturers? Other than design it is the patented HDSS® technology. What does HDSS® stand for? High Definition Sound Standard The beauty of the Spectrum HDSS earphones is the level of technology combined with simplicity. Not only are these earphones fundamentally appealing, they are highly functional resulting in an overall elegant product. Project Peaceful Purple is our social campaign designed to provide awareness through the sale and use of our specially designed "Listen Up! awareness earphone.