GOOD EVENING TO ALL I WANT IS A PASSIONATE ITALIAN IN ITALY TO YOU WHY THE MARK SVS is not widespread. THESE ARE torn between 2 SUBWOOFER purely HT. NOW THAT I BELIEVE I HAVE A LITTLE CHT12R lending SOUND PRESSURE LEVEL OF QUALITY AND PUNCH-.. I WANT A SUB WELL sounding better performing WHAT YOU TAKE? WHY? the room is 15mtq Thank you all and sorry for my English.