A crossover is an electronic device that is used to send the appropriate signal to the correct speakers or drivers. A crossover sends only high frequencies to the tweeter, midrange frequencies to the midrange driver and so on.
2 Way 80W HiFi 4-8 Ohm Crossover 4-6" 48Hz-20KHz
2.Power: 80W or less
3.Impedance: 4-8 Ohms