The sudden jerk, the sound of distress and terror, gives Wing a great start. Then it's instinctive, reaching out, one steadying hand on Soundwave's shoulder while the other squeezes his hand, calling his name. 

He doesn't get past the first syllable before the psychic wave hits him, a staggering blow in the most metaphysical sense. Wing hears Soundwave's verbal exclamation only in the vaguest way, but the brunt of the notion hits him full force.