The wiring to the speakers is typical speaker wire. HDMI cables are to transmit video and sound I'm assuming thats the same sub that I have in my system and it is in my basement. If I have it turned up all the way and have the music half loud, you can hear the bass from my 2nd floor bedroom. Massive ghetto trunk rattling bass is annoying and unnesscary, complimentary bass is what you should be looking for you can find wireless speaker systems I'm sure but in the past I've heard mostly negative reviews so never even bothered looking in to them