If it has only two plugs in the back, red and black, then it is a unpowered subwoofer. Just a 3.5MM to RCA adapter cable to your amp's RCA inputs, directly from the sound card.Ĭan you post your subwoofer model? Or a picture of the inputs? No optical converter or anything is needed. If you are willing to get a 12V supply, it is possible to hook up this amp and speaker to your sound card without any issues. So if you do no want to buy a PSU or play around with that, then I'd suggest getting immediately an amp made for home audio. You will absolutely need a PSU or 12V supply of sorts to drive your PRO80.2. If you have already a cable connected to your sound card, use a 3.5mm splitter: Just connect using such an adapter, power on the amp and it should work immediately.
RCA and earphone connectors (3.5mm) are entirely the same type of signal. You can use a wire such as this to do this: Connect a speaker wire from one of the two black connectors, and connect them to either the red or black connector on the rear of your JBL woofer.Īs for how to connect this, you need to connect to your usb sound card on the green output, which is a 3.5mm plug.
Sound has no positive/negative in a single speaker setup, it is AC. If you get such an amp, the subwoofer will connect on the two middle-bottom black connectors, where it is written "Sub". But in this case, where or what should I connect to the R/L audio input on the Lepai amp? But I'm not sure where I can get the input R/L (the red and white port to the left) from? In my car I used to use a RCA converter that connects my rear left and right car speakers to the amp. If I'm not mistaking, the middle ports L and R, I'm to connect them to my sub's red/black inputs.
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