Real Sound, Feel the BeatPure authenticity is what you get with Redemption Song. Polished FSC-certified wood, durable fabric cable, grip notches - there's not one detail missed. And the sound is just like the design - real. Every note is heard just as it was intended, especially the bass. In-Ear DesignFive sizes of ear tips provide premium comfort and sound isolation. Premium SoundStrong bass delivered from custom engineered acoustic system with high-definition 9mm moving coil drivers in tuned enclosures. Earth-Friendly MaterialsDesigned and built with FSC certified sapele and maple wood and recyclable aluminum. Fabric Covered Cord52 fabric cord helps reduce tangles and is specially engineered to cut down on static so you get that clear sound.