Check the listing for details. Treble + Midrange + Dual Bass Speaker Crossover Audio 4-Way 3 Way Divider 200W. Condition: New. Listed at 25.18 USD. Package 2PCS Crossover Audio Board The frequency divider for a treble, a midrange, two bass, the speaker can also use a single bass for high，Mid and low speakers, speakers for 4-8 ohm impedance, the design is to take 4-8 OHM public value design Of the market products are mostly the same, in order to better improve the sound quality, Size: 11 cm length, 7 cm wide, 2.5 cm thick. Frequency: 1000HZ / 7000HZ (that is, bass work in the following frequencies 1000HZ, midrange work between 1000HZ-7000HZ, treble work in 7000HZ above). Power: 200W. Impedance: 4-8 OHM. Weight：150g Circuit: determined by the debugging 6db / oct to 12db / oct. Material: Inductor with oxygen-free copper around the system, pure copper wire diameter thick, has been verified, 100% pure copper wire, never with enameled aluminum production; capacitor with audio-specific non-polar capacitor, Need more, design reasonable, beautiful appearance,