I was looking for an audio interface capable of controlling my soft synths in real time (on stage): Vsti, Reason
USB2.0 3ghz laptop xp home, 512M ram, 60GB HDD
I also use this card in an external audio interface noon for recording midi / audio track by track with multiplex real-time monitoring.
I could record and a microphone, guitar and several MIDI tracks without any difficulty.
Sound quality sufficient to model good

Disappointing: the card is USB1.1 so obviously it will not load the USB bus (which is annoying on a laptop)

UTILIZATION

No installation problems, works first time, map well detected.
The manual is poorly translated, is incomplete with some points that are gibberish (including monitoring)

GETTING STARTED

A few problems here:
1) At least once every 5 minutes, you can clearly hear a little silence of a few milliseconds. This probably comes from my USB config (although this does not happen with a card QUATTRO), but I wish I could be guided on it (I'm not the only one to have the problem in my environment).

2) The latency is over 25ms makes it impossible to use the card live. The direct monitoring is not useful in midi as it is a direct bypass of the audio input to audio output.

OVERALL OPINION

I was disappointed with the quattro MAUDIO though it was in USB 2.0

In other words, the coup this card I am no longer of any use with features also poor. It has been three weeks since I have this card and I will obviously look for another. I recommend to anyone who will work seriously.

I will probably point me to a firewire or PCMCIA interface.