Wired Headphone with Powerful Neodymium Magnets offers a high-quality lifelike stereo sound experience. This Wired Headphone has lightweight diaphragms. The Wired Headphone with Powerful Neodymium Magnets is manufactured by Sennheiser Electronics India Pvt. Ltd which is an ISO 9001:2000 certified company. Sennheiser Electronics India Pvt. Ltd also manufactures various types of studio microphones. The Wired Headphone with Powerful Neodymium Magnets, Model HD 238, has premium metallic components and exchangeable ear pads for superior performance and durability. This Wired Headphone has a sleek black / metallic finish and is available with a carrying pouch for easy storage and protection. This Wired Headphone has frequency ranging from 16 - 23000 Hz and 3.5 mm straight jack plug.