"Olina is a bit brighter and cleaner than Aria. Also feel more technical around all the departments. Bass is very different, despite graphs, the Aria bass feels like a pillow without impact, lacking clarity, while Olina has the authority and less mid-range bleed. Stage and imaging are a step above in Tripowin's offer, to my ears."
By nymz
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"The Olina are a great addition to the cut-throat budget single DD market, and I consider them in the same breath as the Dunu Titan S and Moondrop Aria. They are good all-rounders and great value for the price, with surprisingly few weaknesses."
By baskingshark
"The Olina also fares well for general listening, including movies and even gaming courtesy the decent imaging on offer, and the good, comfortable fit is nothing to scoff at either. Aesthetics are also on point, and I imagine it will follow the Mele's trend in having different face plate options down the line. The accessories are fairly decent for the price, but other sets do better for the money in that regard. Overall, it does enough to merit a recommendation, but it was a case of going from an Editor's Choice award to a more contingent recommendation owing to the tonality that you need to be aware of. For many, this will still be the best set under $100, enough to warrant no further IEM purchase even, and I am very happy for them."
By VSG