Hello :>
I bought a set of Behringer Truth B2031A active studio monitors for my studio ages ago. I had spent weeks poring over reviews and eventually went to a large music shop in the UK with a portable CD player, and had them hook up a bunch of different monitors to see which sounded best.
The best sound quality was from a set of Mackie monitors, but they were about $3000 - way too expensive for me at the time. Instead I went with the Behringers, which sounded flat and balanced, sweet, and basically perfect at anything but the loudest of volumes, at which point the woofers started making an unpleasant fap-fap noise.
Now before anyone pounces on me to say that Behringer are the laughing stock of the industry and you should never buy their gear, I agree a lot of their stuff isn't very good, but these monitors really are the exception to the rule. They sound
awesome and I've not felt the need to upgrade them yet, fully 6 years on.
They have high, mid and low attentuation settings on the back to adjust the sound for the room you are using them in. They also have an inbuilt hard limiter which prevents the cones from blowing out if you push them too hard - instead a little red light comes on to let you know you're cranking the volume knob too hard.
Each speaker also comes with a chart filled in by a Behringer technician showing the exact frequency response, as well as temperature and pressure readouts taken at the time of testing. Behringer then pick monitors with matching graphs (as far as possible), so you shouldn't notice any speaker-induced frequency differences between left and right. The whole thing just oozes professionalism. :>
Input is from standard 1/4" jacks - like guitar cables.
I believe they are around $550.00 - a little above your price range perhaps, but if you want to hear what is actually there (including all the really low bass frequences) I honestly couldn't recommend anything better for the money. :>
-Annikk