The Spitfire Cannon Sound is the sound of two 20 mm Hispano MK2 cannon from the WW2 Weapon SFX sound library. The Hispano MK2 cannon was originally designed and produced by French company Hispano-Suiza in the mid-1930s. During World War II French, British, American used it as an aircraft, naval, and land-based weapon.

It consists of the looped audio file 9 seconds long and the ending file, which should be played at the end of the shooting. The WW2 Weapons SFX Library library includes 28 audio files.