Just because they are small doesn't mean you can't get a pair of loud portable computer speakers. With advances in technology, small no longer means that you have to compromise size for strength. Let's take a look at some of the best that are out there right now.
The top of the line in loud portable computer speakers at the moment is the SoundMatters FoxL. This top-notch performer is about the size of a large candy bar, but has great sound quality, with incredible bass for how small it is. A one-piece speaker system, it is easy to transport, fitting easily into a laptop case or travel bag.
Another good option for loud portable computer speakers are the iHome ihm77 Capsule. They are very small, at about 2"X2"x2", and have a magnetic base, so they attach to each other when traveling, saving them from wear and tear. Consider how small they are, this option packs quite a punch, and have a 3.5mm outlet cord, allowing them to be used with almost any music device.