It’s the battle of beryllium! Recently, I got to review the brand new DUNU ZEN, an IEM made using pure beryllium components. I raved about this $699 earphone in my review, appreciating its excellent build quality and colorful sound signature. However, this isn’t DUNU’s first rodeo with beryllium. I briefly mentioned the LUNA in my review, the IEM that marked DUNU’s first foray into this design venture.
…
Continue here:
https://majorhifi.com/dunu-zen-vs-luna-comparison-review/