The ACV 271230-10-0 Speaker Adapter is a 165mm automotive replacement part designed for Opel Antara vehicles from 2013 to 2015. It is mainly used to replace cracked, worn-out or malfunctioning OEM speakers. It also helps boost the sound output of your speakers and allows them to deliver quality sound and improved bass response. The adapter is made from durable and reliable materials that are designed to last long.