Audiophilepure

https://www.headfonia.com/questyle-m15i-blues-blue-and-electro-purple-review

To trial out the Questyle M15i Blues Blue and Electro Purple, I used my Windows 10 computer, Samsung Galaxy Note S25 Ultra, and Apple MacBook Air M1. Loading the dongles was done with Sennheiser HD6XX, HEDD Audio HEDDphone Two GT, HEDDphone D1, and various IEMs like the Moondrop Authentic, Letshuoer Sonata, and DX1.

As always, the practicalities first. Apart from the plug-to-play nature of the units, using the Questyle M15i Blue and Purple was quite seamless. The power up and down were relatively noiseless, and during operation, noise was never a problem even with very sensitive IEMs. Even when driven relatively hard by driving the HEDDphone 2 GT and the Moondrop Skyland, neither of the units became particularly hot. I had no good way of estimating how much current they would draw from the USB, but my phone didn’t