I Just Received My Replacement Sandman Auto

My pressue is usually in 8-9 range. I do not find it loud on inhale in fact I thought the M-Series was louder. I used the classic tank for 4 years without a problem with noise but I chose the Sandman because I was intrigued by the technology and have not been disappointed at all with the results.

I noticed there is one for auction on the affiliated site! I would endose its use for anyone looking for a new/different machine

In the higher pressures (over 10?) I too find it louder than I expected but I have nothing to compare it to. In the 6-8 range it's pretty quiet but I've also got it in an open cabinet beside my bed and 3/4 inches of wood in between to help reduce any sound. I'm also very sensitive to noise and would not like it if it were noisier and so far I've been able to sleep through it's sounds no problem. It's the higher pressures 10+ that wake me up at times or maks leaks vs. the sound.