The or 48 is an accessory bag that can be transformed into a mobile audio work station the or 48 was designed to carry the audio users accessories together with their audio bag and mixer boom poles cables to the location it has a built in trolley system and heavy duty wheels together with a padded shoulder strap the or 48 comes with a special tray at the top covered with zippered mesh allowing extra space for accessories and protection for the audio accessories from the top part of th