This is a High Quality Aftermarket Diaphragm for Beyma CP350, CP350Ti, CP350M, SMC-1050, CP380, CP380M, CP380Ti Drivers. Please Look And Confirm The Diaphragm You Are Ordering Matches The Pictures Above & The Specs Below. Most Orders Placed Before 3PM and Paid thru PayPal Are Shipped The Same Day; Monday to Friday