Not necessarily. The size of the speaker alone does not determine the sound quality or performance. Many factors contribute to a speaker's sound quality, including the design, materials used, build quality, and engineering. Smaller speakers can still deliver exceptional sound quality and performance if they are well-designed and constructed.
While larger speakers may have the potential to produce deeper bass due to their larger surface area, the overall sound quality and performance depend on the speaker's design and construction, as well as how well it integrates with the entire audio system. It is crucial to consider all aspects of a speaker's specifications, including power handling, frequency response, and sensitivity, to evaluate its sound quality accurately.