A multiple unit that denotes 1 million Ohms.
"I got my CD today made from an album I hadn't heard in 15 years. How great to hear it again. You folks did an AMAZING job of transferring the sound. I am quite impressed and will be sending you other albums. I am a huge fan of music (1400 CD collection) and am quite particular about sound. I was a bit wary of your claims, but the result ..."