No, you do not need to have an ear impression before ordering Jrumz earphones. Jrumz offers a variety of ear tips in different sizes that are designed to fit most ear shapes and sizes. These ear tips provide a comfortable and secure fit for most users. However, if you have specific concerns about the fit or if you prefer a customized fit, you have the option to get an ear impression made by a professional audiologist. An ear impression can be used to create custom-fit ear tips for a more personalized and precise fit. It is an additional service that can enhance the comfort and performance of your Jrumz earphones. Ear impressions are free with Jrumz purchase. Place your order for your Jrumz custom earpiece online. Once you place an order, one of our client service specialists will contact you directly to schedule an appointment with a Jrumz preferred Audiologist near you.