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<blockquote data-quote="Prowler573" data-source="post: 5032253" data-attributes="member: 561023">Typically, when bridging a 4-channel amp to two 4 Ohm mono outputs the method followed is such:Positive (+) output from Channel 1 is combined with the Negative (-) output on Channel 2. You&#039;re left with a single, more powerful output with positive (+) and negative (-) leads, one of each. Let&#039;s further assume for the sake of argument you&#039;ve connected Channels 1&amp;amp;2 on your amp to the left output(s) from your headunit.The same procedure is followed using the positive (+) from Channel 3 along with the negative from Channel 4 fed signal from the right output(s) on your HU.If your amp has a manual switch (some older ones do) for running mono bridged then you&#039;ll want to engage that now.You now have two 4 Ohm outputs, one left and one right.Attach the left output you made by combining Channels 1&amp;amp;2 to the left crossover inputs.Do likewise for the right amp output and the right-hand crossover inputs.Voila! Done!</blockquote>

[QUOTE="Prowler573, post: 5032253, member: 561023"] Typically, when bridging a 4-channel amp to two 4 Ohm mono outputs the method followed is such: Positive (+) output from Channel 1 is combined with the Negative (-) output on Channel 2. You're left with a single, more powerful output with positive (+) and negative (-) leads, one of each. Let's further assume for the sake of argument you've connected Channels 1&2 on your amp to the left output(s) from your headunit. The same procedure is followed using the positive (+) from Channel 3 along with the negative from Channel 4 fed signal from the right output(s) on your HU. If your amp has a manual switch (some older ones do) for running mono bridged then you'll want to engage that now. You now have two 4 Ohm outputs, one left and one right. Attach the left output you made by combining Channels 1&2 to the left crossover inputs. Do likewise for the right amp output and the right-hand crossover inputs. Voila! Done! [/QUOTE]

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