I was really surprised that one of these blew after about 20 hours of use (not hard use either, in my opinion). My amp is 120W / channel. The speakers have never seen rain. They were exposed to water once, when I washed the bike. It didn't seem to affect the operation. I sent an email to the company to see if I could purchase an individual speaker instead of another pair. I never did get a reply.
Imagine I57-2V2 Coaxial Speaker Set for Harley Davidson Saddlebags
5x7" 2-way Coaxial Speaker System
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This speaker set was specially designed to upgrade the rear speakers in the bags of Harley Davidson motorcycles. They are a drop in replacement for the speakers in the lids of the hard bags for CVO®, Touring® and Street Glide® motorcycles. Hybrid Audio Technologies uses a water resistant coating perfect for motorcycle use. Their commitment to building the world's finest audiophile grade speakers continue with this set.
Frequency Response: 75-20,000 hz
Sensitivity: 93.6 db
Nominal Power: 100w RMS
Max Power: 230 W
Nominal Impedance: 4 ohms
Includes: One set of speakers (2 pcs). The factory grilles and hardware should be reused.