This mounting sleeve is compatible with a variety of Pioneer in-dash units, including AVH3300NEX, AVH3400NEX, AVH3500NEX, AVH5400DVD, and AVHP. It is designed to securely hold and protect your audio system while driving. Constructed with durable materials, this mounting sleeve ensures that your Pioneer device stays in place and is protected from damage. It is easy to install and fits perfectly in your car's audio system. Take your audio experience to the next level with this reliable and high-quality mounting sleeve.