You can also use a splitter on one of your preamp IC's to the amp. After the split one runs to the amp input on your powered sub and the other to the power amp for the main speakers. You can split both lines this way if you desire.
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I assume you mean Outputs not inputs.. And there are many subs with speaker level (hi inputs) that you can just feed it off your main speaker cables along with your main speakers, however as mentioned you will need a crossover built into the plate amp powering the sub, most will have this feature, both features for that matter. |
Use a crossover for subs. Many subs have this built in, or if you go with a passive sub you can use a product like our Rives sub-PARC. |