Flare PRO 2HD are the latest and greatest iteration of PRO range first introduced by Flare Audio in 2017. They were introduced in the last weak of March 2019. According to Flare Audio: "...PRO 2HD generates the highest quality sound ever...". Let start with some history... Flare Audio started their adventure with in-ear monitors in 2015 when R2 range was introduced via Kickstarer campaign. The range included aluminium R2A, stainless steel R2S and titanium R2PRO. And boy, did they sound good... You can go ahead and check reviews on Headfonia and...