DESIGNED FOR PROFESSIONALS: TMA-2 Modular is a headphone system that lets you create your own unique, personalized AIAIAI product. Featuring a vast range of interchangeable parts and options across sound, function, comfort and design. Music professionals can adapt and tailor the system to meet their creative needs. For everyone else this means the freedom to be yourself FULLY CUSTOMISABLE MODULAR HEADPHONE SYSTEM: Choose individual parts from the TMA-2 Modular headphone system to upgrade or expand your options through four modular categories: speaker units, earpads, headbands (including wireless) and cables HIGH QUALITY AUDIO: The SO1 All Round Speaker is engineered with a neodymium magnet and a lightweight 40mm PET diaphragm to deliver a balanced sound suitable for all genres. The sound is flat and neutral with good high-end resolution and excellent mid-tone rendering A POWERFUL, STURDY HEADPHONE SPEAKER: The Speaker Unit housing is injected moulded from durable ABS material and coated with rubber to give a matte look with a soft feeling. Both plugs feature a cable lock that securely locks the cable in place Excellent mid-tone rendering