Described herein is a device and method for stimulating testosterone production in a subject. The oven further includes a first chef-side door that provides access to the cavity by the chef for the placement of food product to be prepared, and a second server-side door providing access to the chamber by the serving staff to remove the prepared food product. at the sides or by a loop passing over a portion of the computer, and connected to two points on the clothing of a seated person using the computer on the lap, for example by clips attached to belt loops. The apparatus comprises of a sound emitting device that include a computer controlled generator, music device or synthesizer that is used to modulate the drive signal to the transducers. This abstract is intended as a scanning tool for purposes of searching in the particular art and is not intended to be limiting of the present invention. The controller enters a calibration mode at start up if a calibration pendant is attached and on.