I have a need for a nice pair of studio monitors for my home studio (electronic pianos and keyboards, laptop, etc.)

I am not really using my DSP3100's which I originally bought for rear surround sound speakers.

Would it be possible to plug a studio mixer or other phono plugs into the DSP's?

G68SL, G98DH, DSP5500, DSP5500HC, DSP3100, JL Audio F112 Sub, DirecTV, Sonos, 4 Revivers (Highend-Source)