This paper examines how certain speech sounds within a brand name can alter expectations about the product's taste. Across two studies we demonstrate that the presence of voiced (b, d, g, z & v) vs. voiceless (p, t, k, s & f) obstruents (speech sounds produced when airflow is obstructed in the oral cavity) in a chocolate's brand name can alter its expected taste as bitter vs. sweet. We propose this is because voiced obstruents are typically of low frequency (frequency code hypothesis), contain harsh acoustic qualities and evoke negativity (due to aerodynamic difficulties in their pronunciation). In a third study, we extend these findings to show, using the Brand Personality Scale (BPS), that the presence of voiced (vs. voiceless) ob...