Right now there are 92 deals from Amazon Resale, formerly Amazon Warehouse Deals, in Electronics › Headphones, Earbuds & Accessories › Audio 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: Apple, Belkin, Twelve South, okcsc, Linsoul, NewFantasia, Sennheiser, Amazon Basics. Every item is a one-off, so the stock moves all day and new deals keep arriving.