Two VTF3 mk5s will totally own that room. I am sure you will be fine with the VTF3s. I listened to a single VTF3 mk5 in a larger room than that, and it was terrific. Get the VTF3s and set them up correctly, and the next time you hear the Golden Ear sub you will be laughing at it. If you need any tips or advice on dialing in two subs, come back here and we will try to help.