Money is big reason forever , or we all will driving Ferrari ! So i need to get decision tomorrow , for last - you recommend me R 110 vs N10= R 10, N12=R 12 ?Btw my front loudspeakers are Yamaha NS 777 but i cannot feel deep bass. My old sub was Jamo - so weak, and i knew that Jamo = Klipsch , and i'm a little afraid .....from this duo