The purpose of this study is to analyze the power of Islamic scholars lectures to decide using Islamic banks with a customer response strength approach. The sampling technique uses purposive sampling, and the respondents were those who attended lectures on Islamic banks delivered by Islamic scholars. The number of respondents who met the requirements was 96 respondents. Data were analyzed using the customer response strength method. The instrument has met the valid and reliable criteria. The results showed 99% of the total number of respondents acted according to their perceptions of the contents of Islamic banks lectures. Lecture material delivered by scholars about Islamic banks has a strong relationship with their responses ranging from giving attention, interest, fostering desires, and beliefs to having an interest in making transactions with Islamic banks.