![GHXAMP 1PC Subwoofer Crossover Audio Board MID Bass Bass 13 Crossover Points Frequency Divider 350W 4 8OHM|divider| - AliExpress GHXAMP 1PC Subwoofer Crossover Audio Board MID Bass Bass 13 Crossover Points Frequency Divider 350W 4 8OHM|divider| - AliExpress](https://ae01.alicdn.com/kf/H7e36d2a802b24a4e9859ebdb0aea0b91n/GHXAMP-1PC-Subwoofer-Crossover-Audio-Board-MID-Bass-Bass-13-Crossover-Points-Frequency-Divider-350W-4.jpg_Q90.jpg_.webp)
GHXAMP 1PC Subwoofer Crossover Audio Board MID Bass Bass 13 Crossover Points Frequency Divider 350W 4 8OHM|divider| - AliExpress
![High power Crossover 800W Professional 2 Way Crossover point 2.2KHZ for 12 15 inch High power Subwoofer Speaker Unit HIFI Audio|power ratchet|power cord and plugpower grow laser comb - AliExpress High power Crossover 800W Professional 2 Way Crossover point 2.2KHZ for 12 15 inch High power Subwoofer Speaker Unit HIFI Audio|power ratchet|power cord and plugpower grow laser comb - AliExpress](https://ae01.alicdn.com/kf/HTB1Wm0QOXXXXXbpXXXXq6xXFXXXl/High-power-Crossover-800W-Professional-2-Way-Crossover-point-2-2KHZ-for-12-15-inch-High.jpg_Q90.jpg_.webp)
High power Crossover 800W Professional 2 Way Crossover point 2.2KHZ for 12 15 inch High power Subwoofer Speaker Unit HIFI Audio|power ratchet|power cord and plugpower grow laser comb - AliExpress
What are the frequency settings for a subwoofer? I have a subwoofer with 4 different frequency settings. I need powerful, punchy bass. Should the setting be positive or negative? - Quora
![Subwoofer setup and integration 101: sub crossover frequency, slope and phase for two channel systems - Acoustic Frontiers Subwoofer setup and integration 101: sub crossover frequency, slope and phase for two channel systems - Acoustic Frontiers](http://www.acousticfrontiers.com/wp-content/uploads/2014/08/500px-Linkwitz_vs_Butterworth.svg.png)