Alpine R-A90S Marine Speakers Don't miss out on this

Don't miss out on this powerhouse – upgrade your lighting today

The rugged medium-density fiberboard enclosure is only 5

If you need a small-format subwoofer that really delivers in extremely small enclosures

Optimized Tunes: Designed specifically for your current Rockford Fosgate motorcycle audio system

You can access your iPhone's iTunes music library

Alpine R-A90S Marine Speakers Don't miss out on thisFor loud and realistic sounding music Into high res music? Alpine's R Series R A90S amplifier reproduces high frequency sounds up to 45,000 Hz, so you can enjoy the clean sound and enhanced realism you want in your music. Alpine applied some hot technology from their top of the line X Series amplifiers into this R Series amp, including the use of high efficiency transformers and premium custom capacitors in the amp's construction. Dual "Sierra"