NEED INFO ON PURCHASING AN AMP or RECEIVER?

Short answer: You just need a name-brand AV Receiver that puts out an honest 80 watts per channel or more.

Power is a strange thing.

In truth, over the course of a movie each speaker consumes on an average of .. 8-15 watts of power.

But to increase the volume by 1 db - you have to double the power. This is why we buy amps that can safely output 80, 90 watts of power - to handle volume swings.

And - lower frequency takes more power to produce sound. This is why we have self-powered subwoofers.

"I would also like to buy another set of speakers..."

You want to buy the matching SSB3000 center. This is because you want the sound to tone-match as it swirls around your front 3 speakers.

You CAN get away with different make/model rear speakers, but it is better to have all 5 speakers be the same make & model to increase the surround sound effect.

"But i also want a subwoofer that need 50 watts of power..."

That is a passive subwoofer? It does not have it's own power cord? Do not buy this.

You really want a self-powered subwoofer. A Sony SW-150 or something like that used to be about $130. Check your local Craigslist or buy a subwoofer kit and assemble it yourself.

While you CAN buy a passive subwoofer, the self-powered ones are so common and so cheap it is well worth saving for one.

Hope this helps.

The speaker ratings are told in two different ways to add to the confusion. One is Peak Power output and another is Root Mean Square value. As far as sound is concerned the Root mean square - RMS -value is more useful, indicative of the actual sound level. But peak power and RMS are connected by a simple formula. When you say 100 Watt speaker, it means the maximum power you can supply to the speaker. Even with 10 or 20 Watts also the speaker will give a reasonably loud sound output. Our normal talking level is only 200 milli watts! Foir you a 300 Watts amplifier will be sufficient. Take care that the impedance of the speakers are matched with the amplifier out put. normally this will be 4 or 8 or 16 Ohms.

Promote power rating of residence theater in a field are misleading and don't replicate the precise power it presents for each channel. They are not very bendy in including different apparatus to it and when one item fails within the procedure the whole approach will ought to get replaced. Take a seem at an Onkyo HT-S3300, it's a 5.1 receiver and a collection of audio system. Which you could add your dvd player, PS3, and many others. That you could look at the approach at any Fry's electronic and the cost is below $400. Which you could also go surfing to home Theater magazine and skim the studies on almost anything for the dwelling theater. Hope this may support you out.