Pinanson designed and manufactured, directed by the customer in this case Radio Castilla la Mancha, some audiovisual boxes for their recording studios. They are extruded aluminum made boxes from our Box 45º series for surfaces. In this format the connectors are exposed to the user with the most comfortable and ergonomic shape for the use that they have been created. These boxes are worth to adjust the level that each user needs. Include headphone output both Jack 6.3 and Jack 3.5 and a potentiometer for the level adjustment.