SIRIUS SP-B1 Boombox Portable audio system for SIRIUS Sportster plug-and-play tuner

alaTest has collected and analyzed 26 user reviews of SIRIUS SP-B1 Boombox Portable audio system for SIRIUS Sportster plug-and-play tuner from Amazon.com. The average user rating for this product is 3.1/5, compared to an average user rating of 4.2/5 for other products in the same category on Amazon.com. Reviewers are impressed by the reliability and sound. The usability and price also get good reviews.