New - Open box - Damaged packaging The Metra Electronics WM-AK3 Amplifier Installation Kit is the perfect choice for audio enthusiasts looking to install an amplifier in their vehicle. This kit is designed by installers, for installers, ensuring that it is easy to use and easy on the eyes. With over 70 years of experience, Metra Electronics has been at the forefront of innovation, constantly adapting their products to meet the needs of the installer. The WM-AK3 Amplifier Installation Kit is the installer's choice, providing everything you need for a seamless installation.