The Temblor subwoofers would definitely work in this application! So once you get your subwoofer, you'll send audio out of the computer into the inputs on the Temblor subwoofer (via RCA, TRS, or (if you're looking at the T10 subwoofer) XLR.) Then, you'll send audio out of the subwoofer to your Eris 4.5's (via TRS or (if you're looking at the T8 subwoofer) RCA.)