The Trefoil brand, which has been linked to the music scene for a long time and is connected uniquely to the beginnings of Hip Hop in the 1980s, now proudly underlines its music affinity with the Sennheiser HD 25-1 II, which has been one of the most successful monitoring headphones for over 20 years. Now, it has been given a design makeover by adidas Originals, featuring the brand's iconic "3-Stripes" design and blue color identity. 

These headphones handle a high sound pressure level, with crystal clear highs and crisp bass. Along with the adidas Originals design, these headphones ensure a true Sennheiser sound experience.

• A true adidas Originals style and performance experience 
• Very lightweight and comfortable, even if used for long periods 
• High maximum sound pressure level 
• Nominal impedance for universal compatibility 
• Tough, detachable steel cable Neodymium ferrous magnet systems 2-YEAR warranty!
• Compatible (listen only) with latest generation of tablets