- rich quality sound from high quality audio components
- (2) interchangeable headphone cushions: (1) higher isolation pair for noisy clubs, (1) standard pair for everyday use
- internal speakers are fully protected
- strong, flexible headband
- headphone cord coil for extra give
- detachable headphone cord
- black rubberized finish
The name TMA-1 (Tycho Magnetic Anomaly-1) comes from Arthur C. Clarke's science fiction novel "2001: A Space Odyssey" and refers to a black Monolith, which is extremely long-lived and reliable" just as the TMA-1.