Just posting that I acquired the CL1 yesterday, an a whim.
I have been looking for a TOTL in ear to improve on my beloved Etymotic ER4 and 4XR.
The current front runners are Noble Katana and Final Audio FI-BA-SST, so mostly on the neutral side.
But as we keep hearing about the next best thing (for me that could be the Dita Dream, or, but less likely, the Tia Fourte) I put my purchase on hold until I can try those.
So as I decided to quench my gear thirst with something more exotic sounding (to me).
Based on comments around here I isolated 2 candidates: the CA Vega and the RHA CL1, two V shaped sounding in ears however focusing on bass and treble respectively.
It did not take a long listen for me to remove the Vega from the list as the bass is, for me, overwhelming, especially listening to metal.
At first, I was not sure about the CL1 either, the mids are recessed compared to what I am used to (mids are key for opera, which is the genre I listen to the most)
I decided to pull the trigger nonetheless and 24h later I am a happy owner.
I tried them in store with the ZX2, which needs to be pushed for good volume, especially on DSD tracks. Stacking it now with the old PHA-2 amp (had not used it for more than a year), all the qualities of the CL1 can shine without losing mids;... and I love those trebles!!!
I would recommend anyone trying those earphones to make sure they bring along proper amplification.
I might myself upgrade my amp (to something technically better) or DAP (to something more powerful).