REVIEW! HarmonicDyne Poseidon – DUF

HarmonicDyne’s Kickstarter campaign for the Poseidon has been quite successful. But after living with the headphone for two weeks, how do I think it stacks up versus their own cheaper Zeus? Did HarmonicDyne successfully kill the beryllium star?

See the HarmonicDyne Poseidon on Kickstarter:


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Disclosure: This video is NOT sponsored, but retailer Linsoul did send these headphones to me free for review. Check them out at

Music by Birocratic. Check him out on Soundcloud:

#HarmonicDyne #SuperReview

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