The HMDC 27 is an excellent product; although quite expensive, the amazing cardioid mic quality in any type of environment allows you to use it everywhere. Living in a quite noisy apartment due to poorly soundproofed windows, the closed over-ear headphones greatly reduced this inconvenience, and people listening to me could barely hear cars any more (just slight background noise, barely noticeable).
However, I had to remove one star for the headphones sound. You should not expect audiophile levels of listening with this product. Although all levels are very clear (especially the bass), I had to play with my mixer a little bit to have both ears at the same level -left ear was a bit too low. This issue is probably due to the mic and cable being on the left side as well, causing it to be a bit unbalanced.
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HMD 27 VS HMDC 27:
HMDC version comes with XLR & jack cable, HMD does NOT. HMDC also has an additional noise cancel switch that can be useful. If you do not already own cables, get the HMDC version.
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Overall, excellent product for the price tag, would definitely recommend for broadcasters, radio hosts or streamers.