I actually ordered the wrong model. If I had looked past the price I would have gotten the SN-2 "for all instruments" instead of the SN-1 for guitar and bass. Still, I tried it out on my autoharp and it lit up like a video slot machine saying "Jackpot!". It's very easy to read and snaps right in on the note. This thing works beautifully and apparently beyond its intended purpose. Why spend more? Well I do wonder what the SN-2 can do. Just gotta love it.
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