Saw this on the website and bought it. It is very good, especially given it's price point. However, it takes some extra work to get the best out of it and will not work in all situations. Thus, while it's very good and perfect for what I do (solo fingerstyle), it is not absolutely perfect (nothing is).
Mounting the mic is very easy; just slide it over the edge. The sound is affected by where you place it. Personally, I think you get the fullest sound placing it as close to the neck as possible. Bringing it closer to the bridge, makes it brighter, but thinner.
The mic sounds sweet in the mid-to high ranges, but can be very unfocused and easily clipped on the bass stage. Adding compression helps tighten up the sound, especially the low end, adds definition and reduces some feedback-sensitivity.
Don't think you'll be able to use it in conjuction with acoustic drums: it's feedback-prone and like any mic, other things (like your talking) can bleed into the mic. The mic is best used in "intimate" settings (it's a dream for solo fingerstyle, on both nylon and steel string guitars), which do not require much volume. It could work in a bluegrass setting, but I'll leave the final decision on that to another reviewer ;)
Finhol Edge Review - pretty good, especially for the money
Callum G., 17.07.2014
For £85 it's a very good option. Condenser microphone clips into the sound hole. It cam pick up other sound though, which is great if you like percussion on your guitar, which I do. Feedback at high volumes might be an issue, however I play small clubs as a soloist so it suits me. Big plus points - size (unobtrusive), ease if fitting, natural sound, you don't have to drill out your incredibly expensive Martin acoustic. And for us acoustic guitarist that don't want that plastic piezo zing, this is the business!
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