From Symphonium company website: And with that, the Symphonium Helios was born out of the collaboration of these two team at Subtonic and Symphonium. For the record, this product has been out for a while now but feels weird that these isn't much discussion about this here, hence this thread...

AYA Audio is a local Vietnamese IEM brand leads by my fellow countryman under the alias: Ying Phan. While having some notable attention from IEM like AYA Nightingale, their reputation in the global community pretty much froze there. Until the AYA Siren debut this year where they have finally...