Did you say louder? Huh? Mike if you decide to go m80 on us then yes you can use the preouts of your pioneer to use a pair of outlaw m200's. After you add the amp to your front channels simply recalibrate your speakers with an spl meter to achieve proper balance(levels) again.

*Michael*
AV123 Refugee - X-LS Encore, X-Voce, X-Omnis, Elt-Dpa's
Denon AVR-591
Magnavox NB500MGX BDP