PS-Series Coaxials employ lightweight construction for proper bike handling, while offering exceptional clarity at cruising speeds – even with a helmet on! A fully weatherproof design ensures your tunes last, no matter where the road takes you. The weather-resistant coaxial speakers with removable grilles are specifically designed for motorcycles, UTVs, golf carts, ATVs, marine or outdoor systems, created to resist the harshest elements and handle what Mother Nature can dish out.