How to determine the four-way square dance display audio screen

Crossover Junction. According to query the official website of the personal library, according to the crossover junction to judge the four-way frequency square dance show audio display screen, crossover junction: the most effective is to look at the crossover junction inside the speaker, the terminals are only treble tweeter, bass bass, is a two-way frequency, the terminals have treble tweeter, middle midrange, bass bass, subwoofer unit of that is a four-way frequency.