Inactive D’Addario NS Micro Soundhole Made by DAddario The NS Micro Soundhole tuner is a neat idea in a nice package, but second-rate accuracy and a fragile clip design are below par for a company like D’Addario.
Korg Rimpitch Made by Korg Korg’s soundhole tuner is designed for pretty much one purpose: tuning an acoustic guitar in standard EADGBE tuning.