What Do Car Audio Subwoofer Frequency Response Specs Tell Us?
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
Woofers and tweeters together - PS Audio
Subwoofer response graph, help me understand - Speakers, Soundbars and Subwoofers - StereoNET International