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Compatible with
Description
JBL Professional 921-00008-00 is the catalog reference attached to JBL 921-00008-00 JBL Control Speaker Switch Plug, a control or sensing component.
Compare 921-00008-00 against the removed item for its part number, electrical markings, shaft or actuator style, terminal layout, mounting method, orientation, and control reference before beginning the repair. Use the full 921-00008-00 reference when distinguishing this item from similarly shaped parts.
When servicing 921-00008-00, remove power, document the wiring and mechanical position, and protect the related control board from static discharge or strain. After fitting 921-00008-00, restore the actuator alignment and connections, confirm free operation, and perform a controlled input check.
