It is generally known that subjects' binaurally masked threshold improves when either the signal or noise is presented to the two ears antiphasically. It has similarly been shown that the amplitude of the AER varies as a function of the intensity and presumably therefore loudness of the stimulus. In this study, click stimuli were presented under three conditions: both the stimulus and the masker in phase (SoNo), stimulus in phase and masker antiphasic (soNπ), and the stimulus antiphasic with the masker in phase (SπNo). Subjects' AERs' were obtained at five intensity levels (reSoNo psychophysical threshold). Data are presented demonstrating the amplitude of the AER as a function of stimulus intensity for each of the three signal/noise phase conditions. While differences in the AER amplitudes are detectable for group data, individual responses show considerable variability.