The acclaimed Porta Pro® Limited Edition is more than two updated colorways. It features an inline microphone, remote and attenuating volume control.
Koss Porta Pro - Rhythm Beige (Limited Edition) — tastemaker.
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Koss Porta Pro Limited Edition Rhythm Beige Headphones with
Porta Pro® Limited Edition Rhythm Beige Headphones - Koss Stereophones
Koss Launches Porta Pro Limited Edition in Two Colorways
Review: I Tried Koss Porta Pro Headphones—Here's How They Sound
Review: I Tried Koss Porta Pro Headphones—Here's How They Sound
The acclaimed Porta Pro Limited Edition is more than two updated colorways. It features an inline microphone, remote and attenuating volume control.
Koss Porta Pro Limited Edition Rhythm Beige Headphones with Microphone, Volume Control, and Remote