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Description
JBL 350839-001 Slider Knob for VT4889 and VT4888 is cataloged by JBL Professional under part reference 350839-001. The current 350839-001 store variant uses SKU J2158. Listing 350839-001 should be evaluated as the specific item named in the title, not as a generic substitute.
When comparing 350839-001, use the title, part reference, and SKU J2158 together. Check 350839-001 against the removed component’s dimensions, ratings, connector style, mounting points, orientation, finish, and any equipment references stated in the live listing. Those checks help distinguish 350839-001 from similar service items. Installation or replacement work involving 350839-001 under SKU J2158 should be performed by a qualified technician familiar with the associated equipment and proper service procedures.
