Motorcycle Tunes as of 4-14-2018 only uses Kicker Speakers in waterproof enclosure.
They are designed for outside use, on bikes, and can be used in the rain.
Since 1999 Motorcycle Tunes has NEVER had a case of any water related malfunction.
Most of the Diamond Audio amplifiers are not waterproof, but some are, contact us for details, the nonwaterproof amps will need to be mounted in the travel trunk saddlebag handlebar bag fork bag or under the seat.