There was a time when the only sound produced by your computer was a beep. Today, apart from the internal and external sound cards, many motherboards exhibit an inbuilt sound card better known as the onboard sound card. The term on-board designates that a given component is directly built into a given motherboard. The onboard sound cards are very popular today and many motherboard manufacturers do provide them.
The onboard sound cards are suitable for most of the users and produce a good quality of sound. They do not develop any interference with the motherboard circuitry and the sound quality is flawless. A large number of users are relying heavily on the onboard sound card and it is worth trust. To improve the sound quality with the onboard sound card you can simply switch over to better speakers rather than putting up a new external sound card. Most of the onboard sound cards work trouble free and offer good sound quality throughout the use. So if your PC is having an onboard sound card it is better to make the most of it by using quality speakers.