I bought this speaker to replace the stock speaker in my Rivera Chubster 55. Before I fitted the Eminence speaker, I was using an EV speaker, so sonically the Eminence had big shoes to fill. The first thing I noticed upon fitting the speaker to amp was how much lighter the amp was. The Eminence is less than half the weight of the stock speaker and is drastically lighter than the EV speaker I was using before, as someone without a car this is a big bonus. The most important thing though is the improvement in sound quality. Everything just sounds better! I would definitely recommend this speaker