MDN-50,
50 mm (2") Dome Midrange Device
Believe
it or not, the MDN-50 is a midrange device! It is powered by a
72g (2.5 oz) neodymium magnet and a 50 mm (2") aluminium
voice coil. This dome midrange device is for very high performance
sound systems, with a suggested operating range of 550 Hz to 13
KHz.