Amazon has a very large amount of Center channel speakers, I'm sure you can find some at any store that sells a large amount of electronics, Best Buy, Fry's, etc.
Many internet websites in particular Amazon has a large selection of Yamaha speakers. I'm pretty sure guitar center has some Yamaha speakers as well.
All speakers will work with a typical four channel amp, though you may want to check the wattage before you pair it with some speakers.
NO! NO!
No, computer speakers are universal and will work with your computers current software and sound card.
you buy a new one
If you are looking to Buying new TV speakers in Florida, I would go to Best Buy. Their prices may be more affordable than a store specializing in just TV speakers.
One can buy a pair of Bose 151 speakers from a number of stores and online retailers. They are available to purchase from Best Buy, Amazon and used or new from eBay.
yup bub its the speakers and u do need new speakers
Your new monitor probably doesn't have built-in speakers, so you should buy some speakers. If it does have built in speakers, you'll have to download a sound driver for your monitor.
The cost for new pa speakers varies but the average cost is about $150. You can find these speakers at Best Buy or your local music shop. You could also try Amazon or Ebay.
BUY NEW ONES! If you repair you can't guarentee that it won't break again or that something else will go wrong with it due to it's over usage. Buying a new speaker guarentees you that everything is new and in working order.
Some will come with speakers and some wont. Generaly is it is sold as a home theater it will contain everything.