Pro-30 Adapter-free Closed-Back DJ Studio Headphones

• SUPERIOR SOUND QUALITY: Enjoy superb, bass sound and supreme comfort with the OneOdio Studio monitor headphones. Large, 50 millimeter speaker unit drivers combined with neodymium magnets provides stereo Hi-Fi level sound; powerful bass, clear vocal, and crisp high tones form perfect balanced sound.
• MAXIMUM COMFORT: The memory-protein earmuffs is Made in Germany, which designed to disperse pressure and heat build-up, combined with the soft leather headband to gives you maximum comfort & superior isolation.
• NO MORE ADAPTER: A long, DJ-style 9.8-foot cord easily reaches from the TV or stereo to your favorite chair. A standard-sized 6.3mm plug and a 3.5mm plug are included. They both are completely detachable, so that you don't need to spend all hours of the day plugged into your mixer.
• SHAREPORT TECHNOLOGY: You can daisy chain together as many of these headphones as you have, share the music or movie together with your friends or families.
• ♫【Faltbar & Leicht】90 ° schwenkbare Ohrmuscheln für jederzeitige Einzelohrüberwachung. Faltbares Design, bequem für die Aufbewahrung und das Tragen. Ideal für den täglichen Gebrauch, Studio, DJ, Musikproduktion und Mischen.

Was ist der Unterschied zwischen Pro-10, Pro-30 und Pro-50?