The opposite of "more electrifying" would be "less exciting" or "dull." These antonyms signify a lack of energy, vibrancy, or stimulation. Another antonym could be "underwhelming," indicating a sense of disappointment or unfulfillment. These words are commonly used to describe events, performances, or experiences that fail to meet expectations or fail to leave a lasting impression on the audience. While some may prefer a more subdued or calm atmosphere, those seeking a high-energy, exciting experience would find these antonyms unsatisfactory. Ultimately, the choice of words to describe electrifying experiences will depend on the speaker's preferred tone and level of enthusiasm.