To separate the mixed audio signal into a treble, alto, bass, and then were sent to the corresponding treble, alto,bass speaker unit in playback, resulting in enhance the sound purposes.
Make the treble clear, enrich the alto effect, and increase the intensity of the bass, freely enjoy clear and natural music.
Wire wound ceramic resistor and metal film capacitors, ensure its large load power, long-term durability, never burnout.
Treble, alto and bass frequency dividing, widely used for 8-12inches speakers.
Circuit board design with precise cut outs and lines, free for welding, very suitable for DIY.