Powerful & compact, these 5.25 weather-proof speakers & 50 watt amplifier combination were developed specifically for motorcycle applications ensuring loud, clear & full-range audio even at highway speeds. The speaker housings are matched directly to the outer fairing pockets. Simply connect your iPod®, MP3 player, satellite radio or cell phone with the standard 3.5 mm input, & rock on! Including an auxiliary volume control on the right speaker pod, a USB port for general device charging, and plug-&-play wiring harness makes for simple clean installation.