I bought this amp with Marine speakers to install in my 2018 H-D FLHTP that come with no sound component. If you plan to do the same, DO NOT buy with the Marine speakers. Get just the amp. The speaks will not fit in the fairing speaker housing. Just find some good 6.5"ť speakers. Several guys in our motor unit have done the same and everyone has had excellent results. The amp is small enough to mount inside the fairing. Sound is great. For around town it is plenty loud enough. At highway speed it not as good as my boom audio on my Ultra Limited, but for the cost, it can't be beat. When I'm on my Ultra, 90% of the time I'm playing music from my phone anyway. Also, the volume is dependent on the volume of what's playing on your phone. Some songs I've downloaded from iTunes are loader than others. So don't blame that on this amp. I've tried streaming from apps for radio stations and they seem to be even louder. You can usually hear those fine at highway speed. I'm about to buy another one to put in a project bike I picked up. Another FLHTP police trade in bike. I expect to have the same excellent results with this one too.