Right now there are 120 deals from Amazon Resale, formerly Amazon Warehouse Deals, in Electronics › Accessories & Supplies › Car Electronics Accessories › Audio & Video Accessories › Auxiliary Input Adapters. These are inspected returns and open-box items that Amazon sells and ships itself. WarehouseHunter puts each one next to its current new price, so you can see what you save at a glance.

Brands with the most offers here: Metra, OTTOCAST, Scosche, Apple, Spedal, AutoSky, CURT, Pro. Every item is a one-off, so the stock moves all day and new deals keep arriving.