the soundcard on the edirol is ass. anything past 1/2 on the volume distortes like poo. i think you meant the midi version of that board...

http://www.sweetwater.com/store/detail/PCRM1

i ditched the pcrm1 a few weeks after i got it, for the korg microkontrol. best of both worlds for me. easy to program, small keybaord, and 16 light up mpc style pressure sensitive pads.