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<blockquote data-quote="Heeltoeclutch" data-source="post: 7298480" data-attributes="member: 629974">2 or 4 ohms is the impedance your sub has. The impedance the amp sees will affect the amount of power the amp sends it. Generally if you half the impedance, you double the power produced. So if an amp makes 200W at 4 ohms, you can predict it will make around 400W at 2 ohms. some subs have two voice coils, and depending on how you wire the two together you can alter the impedance the amp sees.You just have to make sure your amp is stable to run at 2 ohms, or 1 ohm, or whatever you&#039;re thinking of running it at. //content.invisioncic.com/y282845/emoticons/smile.gif.1ebc41e1811405b213edfc4622c41e27.gifGET STICKY: <a href="http:////forums/enclosure-design-construction-help/68635-sealed-vs-ported-basic-info.html" target="_blank">http://www.caraudio.com/forums/enclosure-design-construction-help/68635-sealed-vs-ported-basic-info.html</a></blockquote>

[QUOTE="Heeltoeclutch, post: 7298480, member: 629974"] 2 or 4 ohms is the impedance your sub has. The impedance the amp sees will affect the amount of power the amp sends it. Generally if you half the impedance, you double the power produced. So if an amp makes 200W at 4 ohms, you can predict it will make around 400W at 2 ohms. some subs have two voice coils, and depending on how you wire the two together you can alter the impedance the amp sees. You just have to make sure your amp is stable to run at 2 ohms, or 1 ohm, or whatever you're thinking of running it at. [IMG]//content.invisioncic.com/y282845/emoticons/smile.gif.1ebc41e1811405b213edfc4622c41e27.gif[/IMG] GET STICKY: [URL="http:////forums/enclosure-design-construction-help/68635-sealed-vs-ported-basic-info.html"]http://www.caraudio.com/forums/enclosure-design-construction-help/68635-sealed-vs-ported-basic-info.html[/URL] [/QUOTE]

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