This study aims to analyze the effect of product quality on consumer responses to Kopi Kapal Api in West Bandung. Product quality is measured through indicators of taste, aroma, quality consistency, packaging, and comparison with other brands, while consumer responses are reflected through satisfaction, positive impressions, willingness to recommend, repurchase intention, and brand preference. “This study employs a descriptive quantitative method through a survey of 196 respondents selected using purposive sampling. The collected data were then analyzed using simple linear regression to determine the relationship and influence between the research variables. The results show that product quality has a positive and significant effect on consumer responses (b = 0.571; beta = 0.572; t = 9.717; p < 0.001), with F = 94.410 (p < 0.001) and R-squared = 0.327”. Residual diagnostics indicate an approximately normal distribution, while the Glejser test shows no heteroscedasticity (p = 0.291). Therefore, consistency in product quality can strengthen positive consumer responses to Kopi Kapal Api
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