Digital optlic input Analog input Can pick how much power to each from Front speaker:large or small Rear Speakers: select large or small Center speaker: select large or small or none Subs: select yes or no

The unit go's into "over" if the main soucre is to powerful

I've had the decoder for about 4 mouth and it's great. I cut my dash in my 99 buick Regal GS and put in a center channel. It can decode all sound format from D.D and DTS and pro-logic.I have it hooked up to my PS2 and in D.D. or DTS it's fu_kin""