hello everyone . I am thinking of buying the roksan k2 bt amp cd combination to replace my cambridge 651a and 351c i have aero 2 on stands which i like will the 140 per channel amp be ok with my 120w speakers i only ever go to the 10 oclock position and whould you consider this a good inppove ment and mayby a less bright sound or a sweeter sound interested on your opionions mally.*good*