We often take technological advancements for granted. Much of it has made our lives a whole lot easier, faster and more efficient. Personal headphones are a prime example of such technology and we owe their existence to the invention of the Telephone. Early in the 20th century, headphones were developed from the telephone earpiece since this was the only method of listening to audio signals.

Some of the earliest headphones were those designed and manufactured for people working in the Radio industry. These early headphones used ‘moving iron drivers’ that consist of magnets and fine wire for vibrations to travel down. These More >