Korg Jack Phono YKB21-5012, 454004300

 Same as Korg #500454004300.

Used for the audio outputs on:

CR4, DTR1000, KARMA, TR88, TRINITY, TRITONLE76, TRITONLE, TRITON STUDIO 61, TRITON STUDIO 76, TRITON STUDIO 88, TRITONEX61, TRITONEX76, TRITONEX88, X3, WAVEDRUM