Connecting monitors to Duet?

Hey guys,
I am finally upgrading my old cheap monitors to something nicer. I have a question about hooking up the new monitors to my Duet. The Duet has:
"*Two unbalanced -10 dBV line outputs for powered speakers*"
My monitors, Yamaha HS 80Ms, have:
"*Inputs include a balanced XLR and 1/4-in. phone jack.*"
So, while both have TRS inputs/outputs, it looks like the Duet has the "unbalanced" and the HS 80ms have "balanced."
There are a few things I am wondering about:
- Balanced vs unbalanced and what kind of device (adaptor?) do I need for this connection?
- Line
- And what is meant by -10 dBV?

Franz Liszt wrote:
"Connect the unbalanced outputs to the 1/4 in jacks with regular jack leads."
What's that? Jack leads? Are you saying just use TRS (1/4) cables? I don't have to worry about the balances?
Yes that is correct.
I think you're a bit confused with the words 'balanced' and 'unbalanced,' which sound like you'd need to match them up, but for what you're trying to do, it's just fine.
TRS stands for 'tip right sleeve' and is a plug where you have a tip, then a second section in between, and then the sleeve, like what you see on a set of stereo headphones. This is also called a 'balanced' plug, because it has that extra section that can provide a ground. TS stands for 'tip sleeve' where the plug has a tip and a sleeve, like you'd see on an instrument cable. That's also called an 'unbalanced' cable.
Check this out for quick diagram and description:
http://www.sweetwater.com/shop/cables/cables_buying-guide.php
You can plug a 1/4 inch line, either balanced (TRS) or unbalanced (TS) into a balanced or unbalanced jack with no problem, and you can also connect two devices where one has a balanced plug and the other has unbalanced.
If you connect two devices with a TRS cable, and both have balanced plugs, you will get the advantage of having a ground, and the signal is more likely to be clean. But plugging in two devices one with a balanced jack and the other with unbalanced, the signal is still going to travel normally and behave as you want it to. That's what you're doing here and it will be no problem.
Do a google search for 'balanced vs unbalanced 1/4 inch' or something like that, and you'll find lots of info.

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