Hello, I just buy the Evo Center. When i play Music i notice that the main sound come from the left mid/bass + the twiter but NOT from the right mid/bass. Why ? Is it passive ? Please help me understand it, here is the link of the speaker Thank you http://www.dealtime.co.uk/xPF-Acoustic_Energy_Aegis_Evo_Centre http://www.hifix.co.uk/sitemap/acoustic-energy/acoustic-energy-aegis-evo-centre. html Tnx Again.