Pros – Simple setup, Easy A/B comparison of unaltered signal vs “tubified” sound. Ability to customize audio parameters to suit your current headphones from most any source, rather than constantly swapping headphones during your listening sessions.
Cons – While still quite portable, not battery powered like the iDSD & iDSD Black Micros for TRUE portability during travel.
www.amazon.com/Micro-iTube2-Vacuum-Buffer-Preamplifier/
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Many thanks K. C. Norris for your review
