Soundcraft 5029646 Si Expression 2 or Performer 2 Mixer Flight CaseSoundcraft Si Expression 2 or Performer 2 Mixer Flight Case. Soundcraft Si Compact 24 and Expression 2 Flightcase offers full "in the air" protection for your SI Expression 2, SI Compact 24 and SI performer 2. Now, you need not to worry about the transportation of any among these devices. The rugged outer design of the flightcase along with inner soft material surface ensures the double safety of your device during air travel. Soundcraft Si Compact 24