Guitar Tuner - NS Micro Guitar Sound Hole Tuner - For Acoustic Guitars, Ukuleles - Non Marring Sound Hole Clip - Quick & Accurate Tuning

Nice and discreet. It will make you look like as if you are tuning by ear. lol Quick and precise tuning. The only nitpick I can think of is, it's not so tightly clamped to your soundhole and you might accidentally flick it off while strumming hard.

The LED is broken or isn't working properly. I tried with 2 brand new batteries and still not working well. Can't read the numbers or name of the notes

I’ve put these D’Addario NS Micro Soundhole Tuners on four of my acoustics because they’re that good. They’re tiny, stay hidden inside the soundhole, and don’t mark the guitar. Most importantly, they’re accurate — I compared them to my Peterson strobe and the results were impressively close. They’re always ready when I pick up a guitar, easy to read, easy to use, and switching them on and off is effortless. I check tuning every time I play, and these make it instant. Battery life seems solid so far. A brilliant little tuner that just works.

It works great, feels like it was factory installed and is all but invisible. SO much better than having a bulky clip on tuner on the headstock, falling off, getting lost, left at home when you need it at a gig. This thing is great. If there was an improvement I would suggest that the screen be a bit bigger and a bit brighter. You have to get the viewing angle just right to see what you are doing. But I would recommend this product for sure.

Petit mais précis, quasi indecelable, il reste à demeure sur ma guitare. Ainsi toujours à portée de main. Bien que débutante, je pense avoir fait le bon choix !

Discret, fonctionnel. Peut rester accroché à la rosace aucune gêne. Bon produit

What a brilliant design. This is the best acoustic tuner I’ve ever used. It works for all tunings, has a clear, easy-to-read display in the sound hole, and is almost invisible to an audience. It’s padded, so it won’t harm the finish, and you can just leave it there all the time! You can’t drop it or knock it off like a headstock tuner. It’s not expensive, but now I want to buy one for each of my acoustics! Any negatives? Well, being under the top string in the sound hole, it’s a bit fiddly to turn on/off, but you get used to it.