Ov course u can man
Simply plug in the cassette adopter into the psp.
Take sme thing like packin material that could get stuck in the place beneath the sound system nd use a wire like i used a dori that wouldnt scratch ma psp as well as is good to support it.
Wind it round the packing material,psp nd get it fixed.
Remember nt to look at the psp while driving it could be deadly
I had to take it off cux ma dad had seen it nd he asked me to remove it asap. But
Works Like Boom bOOm!!