Coby CVE40 Super Bass Digital Stereo EP w Carrying Case Coby Electronics Corporation is a manufacturer of quality consumer electronics products designed to deliver outstanding performance for valueconscious consumers who do not compromise on product performance. One uncompromising goal of Coby is to deliver maximum value to its customers who purchase and make Cobys products part of their daily lives. These earphones are no exception. They are for digital sound reproduction and are made lightweight and in a comfortable design. They also have Samarium cobalt drivers for extended frequency range as well as directional bass cap for superior bass.