AudioSource 100 2-Channel Power Amplifier Reviews

I bought the AudioSource Amp 100 2-Channel Power Amplifier at Amazon(http://www.amazon.com/gp/product/B00026BQJ6/104-9011503-1260704) for $95 USD.  I needed it to drive a couple of speakers that were going to be used for my new squeezebox network music player.  It was challenging to find a simple, single-task, inexpensive amplifier. The amp was perfect for what I needed. 

There was one thing that was confusing; the signal-sensing auto-on/off switching feature.  Based upon other reviews I wasn't the only one who ran into this. There are two inputs into the device: input 1 and input 2 (duh). ...