Patent ID: 8194893

Claim:
An analog audio control system comprising: a monitor box having at least five analog input/output connectors; said connectors including a DC power input, an instrument level analog output connector suited to receive a cable for an on-stage instrument amplifier/speaker, a sound mixer line level input connector, a speaker level input connector, a musical instrument and headphone cable connector that contains an analog two wire instrument signal and an analog three wire headphone output signal; said monitor box having an attenuator connected to the speaker level input connector and said attenuator having an output to a headphone amplifier; said headphone amplifier having an input from the sound mixer line level input connector; said headphone amplifier having an analog three wire output (ground, left, right) to the musician instrument and headphone cable connector; said musician instrument and headphone cable having a direct connection with its analog two wire instrument signal to the instrument level output connector; a T jack connector connected to the musician instrument and headphone cable; said T jack connector comprising a five wire port for the receiving analog three wire headphone amplifier output and passing through the analog two wire instrument signal from an instrument jack; said T jack connector comprising an analog two wire port for connecting the instrument jack analog two wire signal thereto; and said T jack connector comprising an analog three wire headphone cable connector which connects to the analog three wire headphone amplifier output.