Pure Audio Subwoofer Frequency Divider Speaker Crossover FilterSubwoofer dividerDividing the frequency signal of amplifier,Barrier to high-frequency signals, and subwoofer through,After installation of the dividerFeeling more ,The human voice smaller,No treble,Speaker sound smaller. This is normal,Woofer is not affected by the high-frequency signal interference, the intensity bigger.57 inductance,D16mm, H30mm speakers dedicated current anode capacitance.Maximum : 200wFrequency response: 40Hz-400Hz.Applicable impedance: 4-8 ohmApplication: low, subwoofer DIYApplicable speaker size: 5-10 inchesDiagonal mounting holes: 9.5cm, adjacent angles mounting holes: 5cm: 200W (200W or less is available for the following 5 to 8 inches subwoofer).Circuit: Standard 12db / oct.Stubbs switch: adjustable range from about response: 3Hz.Colour:As shownMaterial:PCBPackage Contents:1 x Subwoofer CrossoverOnly the above package content, other products are not included.Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.