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<blockquote data-quote="csf" data-source="post: 509533" data-attributes="member: 556163">The resistance (ohms) and the power is based in simple electrical engineering theory.Basically, as you decrease the impedance/resistance (going from 4ohms to 2 ohms), you *theoretically* double the power (think of going from a regular garden hose to one twice as big).&nbsp; Your amp puts out twice the power, provided it can handle it (and the electrical system of the car and install in general).The problems arise when your amp can&#039;t handle it or when you lose damping/control/sound quality by asking the amp to do too much.Having dual voice coils just give you flexibility in your install.&nbsp; Say you have two 4 ohms coils - now you can run the speak at 2 ohms, 4 ohms (one coil) or 8 ohms, depending on your amps.&nbsp; Get a new amp?&nbsp; You can adjust pieces and parts around to fit instead of being left w/ a big, new amp that won&#039;t work well w/ your old subs.</blockquote>

[QUOTE="csf, post: 509533, member: 556163"] The resistance (ohms) and the power is based in simple electrical engineering theory. Basically, as you decrease the impedance/resistance (going from 4ohms to 2 ohms), you *theoretically* double the power (think of going from a regular garden hose to one twice as big). Your amp puts out twice the power, provided it can handle it (and the electrical system of the car and install in general). The problems arise when your amp can't handle it or when you lose damping/control/sound quality by asking the amp to do too much. Having dual voice coils just give you flexibility in your install. Say you have two 4 ohms coils - now you can run the speak at 2 ohms, 4 ohms (one coil) or 8 ohms, depending on your amps. Get a new amp? You can adjust pieces and parts around to fit instead of being left w/ a big, new amp that won't work well w/ your old subs. [/QUOTE]

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