Distinctive feature of STN series is using solid cone, it excludes penetration of dust and dirt into the gap between magnet and voice coil.
Power 60/120 WFrequency response80-20 000 Hz
Power 75/150 WFrequency response70-20 000 Hz
Power 100/250 WFrequency response50-20 000 Hz
Power 80/150 WFrequency response75-20 000 Hz
Power 90/180 WFrequency response65-20 000 Hz