With a very limited budget, buying this stereo pair will be a reasonable solution for recording acoustic guitar or other stringed plucked instruments. It will also be just a great option for overheads, including for live work. Of course, the microphones are budget, so I would recommend looking towards more expensive models in the studio for more or less serious recordings. This is especially important to consider when recording quiet sources like guitar, where the microphones' own noise will be noticeable, unlike recording something loud like cymbals.
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