“I HAVE TWO POWERED SUB WOOFERS, CAN I USE BOTH OF THEM,HOW WOULD I HOOK THEM UP, AND WHAT WOULD I NEED,I LIKE A STRONG DEEP BASE SOUND, I HAVE A yamaha receiver THAT HAS A GREAT SOUND, BUT I WOULD LIKE TO UPGRADE, BECAUSE IT DOES NOT HAVE ANY HDMI INPUTS,”