Our research includes 85 expert total reviews for 7 best deals on portable bluetooth speakers under $300. The highest average score is 87%, while the lowest is 76% (a gap of 11%). There are about 12 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.