A small pair of speakers such as the Logitech 970155-0403 V20 is ideal for portability.
You aren't going to get good fidelity sound from a laptop's internal speakers. Try a decent set of headphones or earbuds, or get external speakers.
For credible brand of laptop speakers it is recommended to purchase it from Sony Houston Galleria which has a good quality not only on product but in the name itself. There are many choices to choose from from small to larger speakers.
You can get laptop speakers at any store that sells laptops or laptop accessories. Instructions for installation should always be in the package of the speakers when purchased.
The best external laptop speakers that I've come across are those made by Bose. The sound quality is superb and they also create a full sound that normally isn't achieved by small speakers.
Speakers that are inside/on the laptop
The Alienware laptops actually have great speakers on them.
Speakers for a notebook computer can be purchased at various online retailers. Best Buy, Future Shop and Amazon all carry a selection of notebook speakers which one could purchase.
All laptops by default have only a 3.5mm stereo jack output for audio and mostly 2 speaker or 2.1 (1 woofer) small speakers are sufficient. What you buy will also depend on if you need, if you need your speakers to be portable and you need to carry those around then you need compact speakers if you are not happy with the built in speakers. For home use you can go for bigger and better ones also. - Neeraj Sharma
If you have purchased a set of speakers to replace the poor ones your laptop originally came with, installation is simple. Most of them are USB speakers, so all you have to do is plug the cord into the USB port on your laptop and your sound will play through them.
in the headphone jack
Yes, you can purchase external speakers for your laptop from companies such as Altec Lansing or Logitech. You will just need to connect the speakers to your laptop using a USB cable, which will be supplied with the speakers. Some speakers come with a separate electrical power cable, while others use just one cable for the sound and power.
Some of the features of the Dell Inspiron E1505 laptop is that the computer has good speakers, multitasks very well, and has a very long battery life.