Our research includes 115 expert total reviews for 8 best portable bluetooth speakers under $100. The highest average score is 89%, while the lowest is 73% (a gap of 16%). There are about 14 reviews per product. Reviews come from sites like PCMag, Wired, and more. Click on a product to see more information (including which reviews were included). This list gets updated every few days as we routinely add the latest products.