M-Audio Fast Track Pro in Linux

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+Guitar Center had [these](http://www.musiciansfriend.com/product?sku=241710) on sale cheap, and I couldn’t resist. It claimed to be “class compliant” on the box for 2 channel input and 4 channel output at 16-bit/48khz, so I figured it was worth a try.
+
+Much to my amazement, it actually works. At least, mostly. I get the following in /sys/class/sound:
+
+	adsp
+	audio
+	controlC0
+	dmmidi
+	dsp
+	midi
+	midiC0D0
+	mixer
+	pcmC0D0p
+	pcmC0D1c
+	pcmC0D1p
+
+mplayer can play to both stereo output channels on the device, but only at 16-bit/44.1khz, as far as I can tell:
+
+	mplayer -ao alsa:device=hw=0.0
+
+	mplayer -ao alsa:device=hw=0.1
+
+Both streams work at once (the headphone stream switch button on the front is really nice), and it sounds great!
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