I'm not sure best to ask Audiolab. 
As for sub choice you need one with high pass, not many sub brands have it, apart that new Kef KC62 and KC92. Just that KC62 is weedy, expensive and not great performer for the price. It's only 8" x 2 and n shaped response once you go over 85db.
				
			As for sub choice you need one with high pass, not many sub brands have it, apart that new Kef KC62 and KC92. Just that KC62 is weedy, expensive and not great performer for the price. It's only 8" x 2 and n shaped response once you go over 85db.
 
				 
						 
 
		 
			 It's meant for people who cannot or do not want to place a bigger sub in their homes and usually don't listen at high levels. It provides them with stunning bass extension and it will happily survive the occasional party where nobody will notice the lack of sub bass anyway.
 It's meant for people who cannot or do not want to place a bigger sub in their homes and usually don't listen at high levels. It provides them with stunning bass extension and it will happily survive the occasional party where nobody will notice the lack of sub bass anyway.  
 
		