The Koel is our latest 3D printed Balanced Armature IEM earphone, and it's given good going over by the guys at audio123reviews.com.
They certainly put this little entry level BA through its paces, with 5 delicious pages of un-boxing, Build & Design, Sound Analysis, comparisons and final conclusions - luckily, after all this, they liked the Koel - see the links below for the full review.
The Koel is a sweet sounding iem that is able to provide a relaxing feeling and ensure a fatigue-free listening session
Read the full review here
More information and purchase options for the Koel: