inputs.text: amazing usb mp3 reader never need cds ipod - not used sony head unit since cdxca900 back 2003 dealt making mp3 cds play clarion dxz945mp wanted move unit let play mp3s directly usb drive finally found gehem cheapest yet fully functional receiver exactly control scheheme easy push big wheel bring menus rotate scroll option clicking wheel select browsing music easy single din unit price even twice price matter could used 32gb micro sd card micro usb adapter sticks face 12 inch fit 14 music library card not swap time soon pros thousands custom color selections display unit glow direct usb mp3 playability supports every major format easily read display buttons bang buck category positional adjustments make sound like speakers surrounding whichever seat set position cons mp3s placed numerical folders inside artists main folder order get thehem play order want ie place 01 front album get play first tracks play order added folder rather track playlist not even read m3u wpl playlist extensions no point making thehem also limit 500 files 128 folders lot albums one artist losing lot 500 song capability hardest faceplate reattach ever wish touchscreen like clarion loved overall featurerich head unit price range mp3 direct play no relying external mp3 player plugged cds best 100 spent head unit date