Yes you can definitely use a computer speaker even if your built in speaker broke. Local electronic stores and major retailers such as Myer sell computer accessories. You could visit your local computer store that sells computer speakers too.
Any Logitech speaker designed for VOIP will work well for phone conversations, and probably will be just fine for music or general computer use.
There are many different places to order small speakers for a desktop computer. The easiest place to find these speakers would be on the retailer Amazon.
The cost of a wall speaker will depend on the type of wall speaker you purchase. As of 2013, you can purchase a wall speaker for anywhere between $30 and $200.
You can purchase a DJ speaker at Best Buy. The cheapest speaker is priced at $14.99. The most expensive DJ speaker at Best Buy is priced at $2,500.99.
It doesn't need a speaker.
So you can hear sound from the computer.
Just like any other speaker.
One can purchase car bass speaker systems from many websites online. The most popular websites to purchase car bass speaker systems are BestBuy, Overstock, and Amazon.
I activating my speaker.
Most surround sound speaker sets use 6.1 or 7.1 speakers, with the .1 denoting bass. You can also simply go with 4.1 sound, if you're not an audiophile.
It's usually a small speaker mounted to your computer case. Some mother boards will have it soldered directly to the board.
A speaker would be considered a communication device.