1/4" Speakon Combo JackModel Number: SPE-011D2 (8 Pack). 2 Pole Speakon Compatible Combo Panel Connectors. Allows for Speakon and 1/4" Connection. Eliminates need for separate connectors. Fits standard D Series hole pattern. Brand New. One Year WarrantyYou can never have to many of these connectors in your toolbox.  Thesepanel connectors allow you to have access to Speakon and 1/4" Connectors to be connected to your audio system without the need for separate connectors.  These connectors fit the standard "D" series hole pattern and are great for your audio system configuration.  These connectors are a real space saver.