I can not comment on this amp because I did not test or an exterior salle.J'ai associated with this amp jb pregnant systems vibe 30 mk2, this hardware is in my room so I would not put much by the quality of sound is not comparable to my old hardware (vx 400, 15 and tsx sphynx bos 110 and xclub 15) quality report Price exellent. However careful your neighbors if hardware is in your room: D

The less is the weight that's right 130kg (speakers amp) but when we love, we do not pse.
I do not hsiterais complement my opinion.