| Sound, also perceived as the sense of hearing, is | | | | hearing. This requires the help of speakers. |
| an integral part of our lives. Without the ability to | | | | Speakers are devices, which convert |
| hear or reproduce sound we are not complete. | | | | electromagnetic signals into sound vibrations. Thus |
| Sound is the vibrations that travel through air and | | | | speakers are machines that enable us to hear |
| can be sensed by our ears. Thus it is a medium | | | | sounds, which have their origin somewhere else. |
| of communication. It is used to gather information | | | | Speakers, also termed as loudspeakers are |
| and knowledge about properties of the | | | | attached to an audio system, which provides the |
| environment surrounding us. Sound can travel | | | | electromagnetic signals that are then reproduced |
| through air, water, and solids. These help sound | | | | in the wavelength, which humans can decipher. |
| waves travel and are known as medium. In | | | | The loudspeaker is the most variable element in |
| normal conditions, human can hear a varied | | | | an audio system, and is responsible for marked |
| frequency range. But, sometimes we need to | | | | audible differences between systems. |
| amplify the sound output for better quality of | | | | |