Got a blown or distorted PRV Audio tweeter? This 4-pack of replacement diaphragms is your fix. They're made specifically for PRV Audio models like the RPDT175Ph, DT175PH-S, and DT175 drivers. These are just the diaphragms - the thin film that actually moves to create the high frequencies. They don't include the whole driver/magnet assembly. Perfect for DIY speaker repair, saving you from buying a whole new tweeter. They're unbranded but designed to match the specs of the original PRV parts. Brand new and unused, comes in simple packaging. If you're into car audio or PA systems and know your way around a screwdriver, this is a cost-effective repair. Makes your tweeters sound crisp and clear again. Handle with care during installation - they're delicate! Great for audio technicians or hobbyists who don't want to toss a good driver over a torn diaphragm. A pack of 4 means you can fix multiple units or have spares.