Welcome, a Rythmik owner may be able to help with the model name and or number of your subwoofer.
A powered sub usually has a gain or volume.
A powered sub usually has a gain or volume.
Cooking up subwoofer
Seems like the preamp out should work. Some of the rythmik subs have speaker level connections. Which one do you have? If you have speaker level connections Tee-Jay on YouTube can show you how to do it. He's awesome! https://youtu.be/Ew7G6H9YoVA |