The AMS-1/4F is an accessory that mounts in AMS mounting frames and in standard D-style cutouts. It features a high quality 1/4" TRS jack that may be used as a line output, line input or headphone jack. A high quality terminal block is provided for external connections. The front plate and bracket are constructed of black satin powder coated steel. A black plastic bezel is provided to finish the D-style cutout hole when the accessory is mounted. These accessories are designed to mount behind the front panel of industry products that provide D-style cutouts.