DUNU × FitEar Kaoru IEM | 6BA Per Side | FitEar Elliptical NozzleDUNU FitEar Kaoru In Ear Monitor A landmark collaboration between DUNU and FitEar six balanced armature drivers per side, FitEar's expert cavity design, and a natural, lifelike tuning that bridges professional monitoring and audiophile listening. The DUNU FitEar Kaoru is the product of two of the most respected names in high end IEM design coming together for a single, uncompromising creation. DUNU brings its decades of multi driver IEM engineering