Uses LED technology to give guitarists and bassists world-renowned BOSS tuning at a lower cost
Allows for the "flat" tuning essential for hard rock and metal (Eb, Ab , Db , Gb , Bb , Eb )
Accommodates a five-string bass's low B tuning
Built-in microphone allows for tuning of acoustic instruments
Very quick tuning response; outperforms other tuners in its class
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