A device for audio leveling and sound enhancement to overcome the lower sounding level than an audio video transmission. The device is interposed at source, such an HDMI cable and a device that can reproduce the enhanced sound such as a television, computer monitor and the like. If the device includes an audio leveler and a pc board or chip having the requisite circuitry and/or software for enhancing the sound and which is in electrical communication with the audio leveler. The housing includes an input port for receiving the initial audio signal and an output port which connects to a audio reproducing device after the inputted signal has been processed.