Compatible with speaker cables up to 0.8 inches (20 mm). Perfect for changing cables aimed to improve sound quality. For when you want to change the length of the cable freely.Can be used with devices equipped with a one-touch speaker terminal, such as home theater, system compo, computer (VAIO).Not compatible with Pioneer Mini Compos [XV-MF7DV].The successor to the AD-614.Packaging is not included.Since it is a plug-in type, you dont have to tighten it with screws.The green plug has changed to yellow due to changes in specifications.