mono or multi channel?

[chrisw91 10+ year member]

how much better is a mono amp than a multi channel amp for powering a sub? is it worth it? why is it better?

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[dragnix 5,000+ posts]

a mono amp will often be more efficient since it uses class D topology. This means it will draw less current and allow less strain on your electrical. So technically you can run more power with a mono amp as opposed to less power on a multi-channel while pulling the same current.

Unless you're talking about a 5ch. to run the entire system, then that's another story