Enhance Your Audio Experience: Transform your audio system with our Adjustable Bass Speaker Subwoofer Frequency Divider, designed for both home theater and car audio setups. Experience powerful bass and superior sound quality, suitable for speakers ranging from 2.5 to 8 inches and up to 100W. Advanced Features: This frequency divider comes with a self-recovery insurance and an audio switch, allowing you to toggle between 1.5mH bass and 3.0mH deep bass. The high-end wiring terminals are user-friendly; simply press to insert or release wires, ensuring a secure connection. Optimized Design: Constructed with oxygen-free copper enameled wire, the dual inductances are staggered by 90 degrees to minimize intermodulation interference, enhancing the clarity of your audio output. Adjust the frequency to match a variety of speakers, avoiding issues like harsh treble or weak bass. Due to different batches, there may be differences in product appearance and printed text, which not affect use. Colour:Red Material:PC+Metal Package Contents: 1 * Subwoofer Frequency Divider Only 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.