Tom's Hardware has posted a review on Audiotrak's Maya 7.1 Gold and CARDamp

Audiotrak is one company that focuses on an issue that all sound cards suffer from: the power deficit. Usually, integrated amplifiers at 2-3 W output are just about good enough to attach headphones or to connect the computer to your stereo, but you are on your own if you want to attach two hi-fi speakers directly. You can either go and buy a computer speaker system or take a look at CARDamp - it could help you out.

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