Sound system provides huge range of sound quality specially for music lovers. So before buying you sound system these points must be remembered.
Firstly determine your needs, means for which purpose you need these speakers.if used for easy listening then use a pre packaged system. If music is your passion then buy separate components.
Then establish a budget according to your needs and capacity.
Choose a place to buy, order online or from a shop.
Check there are more ports available in the sound system.
Check for the audio quality and output options.
Remeber these points before buying a sound system.