1、GOOD ELECTRICAL CONDUCTIVITY: Frequency divider PCB board back is clean, with reasonable layout, solder point is large, the wiring line is thick, the corner place is designed with rounded corners, the circuit conductivity is good  2、UNOBSTRUCTED TRANSMISSION: Audio speaker frequency divider makes the signal barrier free in transmission and makes the music details visible  3、FUNCTIONS AND EFFECTS: Audio crossover filter distributor support both treble and bass frequencies, helping to transfer the treble signal to the treble unit and dividing the bass signal into the subwoofer  4、PRACTICAL AND USEFUL: Audio crossover filter board makes the treble clear, increase the strength of the bass, free to enjoy clear and natural music  5、WORKING PRINCIPLE: Speaker frequency divider board divides the mixed audio signal into treble and bass, and then sends to the corresponding treble and bass speaker unit for playback, so as to achieve the purpose of enhancing sound quality