Help me upgrade my setup (low budget)

Maybe a subwoofer like the Polk PSW505 would be something to consider.

You may have a hard time upgrading from the Jamo front speakers to something much better for under $300.

Energy RC-10s are a great deal for a set of bookshelves for a 2 channel setup.

Look at the Energy S10.3 subwoofer
http://www.newegg.com/Product/Product.aspx?Item=N82E16882269026

Then save some more money.

I just upgraded my Onkyo HT-S5400 HTiB speakers with the Bic Venturi DV64 towers for mains. Great sounding speakers. I'm very impressed. Incredible range for those size drivers. I actually enjoyed my Bass Mechanik CD listening to the mains only, with the rest of my 7.1 setup off, including sub.

You can still find them for about $115 per tower. Check the reviews at Amazon, they are pretty positive. I'm hearing things with these speakers (I also upgraded the Onkyo factory center channel to the BIC Venturi 62CLRS) that I've never heard before, like the sound of a violinists hand moving along the strings and the breath of the flutist as they play...also watched some 7.1 DTS HD Master Blu Rays and they sound so much better now.

I think for your price range you can't beat the DV64s (plus, with the 2 passive drivers it looks like you have four woofers with the grill off, which is cool).
Edited by mfrey0118 - 8/20/12 at 6:27am

fwiw, the rc-10's mentioned above are a great deal. another suggestion if looking for a great deal on some towers are the boston acoustics a250's at accessories4less $300 for a pair. then i would look into a good sub

Check around and you'll find lots of deals; bang for the buck in your price range.

Here's a pair of Pioneers, dying for a loving audio home.

At your price point, for music, bookshelf speakers will give you the best bang-for-buck sound quality as you're paying for the speaker itself, not the construction and material required for the tower construction. The down side of bookshelf speakers is, now you'll need a shelf or stands to place the bookshelf speakers on.

A beautiful set of Polk Audio bookshelf speakers in your price range.
And then, still within your $300.00 price point, maybe a step up in the same Polk Audio bookshelf speaker line,
Now you'll need a subwoofer to compliment these beauties. It never stops.

Hope the above gives you some ideas.

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Edited by BeeMan458 - 8/18/12 at 6:16am