Features: new and high quality Experience powerful bass like never before with subwoofer crossover. Fine tune your sound output with this specially designed crossover, allowing you to adjust low frequencies for a more intense bass effect. Designed for music enthusiasts and professionals seeking deep, strong bass in their sound system. Perfect for indoor settings like home theaters, studios, or clubs, where a strong and immersive bass is desired. Take your sound experience to the next level with the subwoofer crossover, delivering exceptional bass performances. Specifications: Material:ABS+Metal Type:91/91A 91: Applicable power: 2500W Applicable impedance: 4-8 Upper frequency: 200Hz 91A: Applicable power: 1000W Applicable impedance: 4-8 Upper frequency: 180Hz Size:Approx.16x11.8cm/6.3x4.65inch Package Includes: 1x Subwoofer Frequency Divider note: 1.Please allow 1-2cm errors due to manual measurement, make sure that you do not mind before you order. 2.Due to the difference between different monitors, the picture may not reflect the actual color of the item.