Summary: I got tired of plugging/unplugging my bose QC25s and computer speakers.Pros: 1) excellent build quality, 2) new version which features the rear port so that all inputs (2) and outputs are on the same side, 3) sounds quality appears good, and no feedback or errant noise.cons: The range of the volume adjuster is a little too sensitive, in that you have to turn the knob a 1/4 turn (the full range is less than a full turn) to make a small volume adjustment.Update (05/2019): 3D printed a case to keep dust out; designed to sit inside the case (thingiverse link in comments).
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