In motor racing, for instance, if a driver is taken to hospital after a crash the metal in the capsule would prevent the use of an MRI scanner, which is essentially a powerful magnet.
Connected with the high-frequency horn driver is a smooth and wide frequency response 2 "Hou tube (2.5" voice coil diaphragm) neodymium magnet compression driver high frequency precision.
Connected with the high-frequency horn driver is a smooth and wide frequency response 1 "Hou tube (1.75" voice coil diaphragm) neodymium magnet compression driver high frequency precision.