Their specially manufactured membrane is made of bio-cellulose which is stiffer, lighter and stronger than conventional PET membrane. Ideal for studio use and long music enjoyment. The setup is completed by the C02 coiled cable with angled plug and the A01 carrying case.Characteristic AIAIAI sound - optimized for clarity and detail.The headphones from AIAIAI offer - especially for studio use - a clear and detailed sound that has been and continues to be widely praised. To achieve this, the Danish manufacturer combines a bio-cellulose diaphragm with a high-quality neodymium magnet. The result is a listening unit that offers a clear midrange, a wide dynamic range and a natural overall sound. During tuning, special attention was paid to midrange clarity without sacrificing the wide-ranging bass response. These efforts are reflected in a wide soundstage with good separation of individual instruments.TMA-2 Studio: Enhanced comfort with AlcantaraThe TMA-2 Studio features ultra-soft over-ear memory foam pads covered with resilient, CO2-neutral and very comfortable Alcantara. Perfect for extended use.Bio-membrane speaker for even more accurate reproductionThe membrane made from cultured bio-cellulose is stiffer, lighter and stronger than conventional PET membranes. The AiAi membrane is made from a bacterial cellulose that is grown using certain types of bacteria. Bio-cellulose is a really interesting material for many reasons: it's renewable, biodegradable, and has great acoustic properties.High-quality cable.The headphones feature high-quality coiled cables up to 3.2 meters long. These provide more flexibility and will not get lost.Sustainable modular headphones - designed to last.