Hey all.

I'm currently using a DI4000 rackmount 4-channel direct box to bring
sounds from guitar and keyboard over to my preamps a couple rooms
away. This is a Behringer product, and is unsatisfactory for a couple
reasons:

- There isn't very good channel isolation... if there's a loud signal
or noise on one channel it'll pretty noticably bleed through to the
others.
- If any two channel inputs share the same ground -- for example, if
they're both from the same instrument, such as the stereo outs of a
keyboard or digital effects pedal -- then some nasty ground loop
problem occurs, causing humming. I've never been able to fix this
problem, and I'm convinced it's a design flaw in the DI4000 itself.
I've tried all manner of ground lifts and what-have-you, with no
success.
- I'm not sure, but I think the LED meters add noise to the signal
when they turn on and off -- a problem that affects a lot of Behringer
stuff, apparently. (This certainly happens on Behringer's headphone
amplifiers... but i'm not as concerned about that because it's not on
my recording signal path).

So yeah. I'm looking for a higher quality product that has basically
the same functionality. Namely: A 4-channel active rackmount DI box.
Preferably having the inputs and link/buffered outs on the back and
the XLR outputs on the front, so I don't have to change my setup too
much. Also, I'd ideally like it to be under $500. (The Whirlwind
hotbox quad would have been perfect, if it wasn't almost twice as much
as I'm willing to pay).

So. Any ideas? Preferably ones that people have had some experience
with, and know to be high quality products.

Thanks!

Ken