Sony 1-542-491-31 Driver 040F001Q Headphone Earphone Part

Product Description

The SONY 1-542-491-31 is an OEM driver unit for Sony consumer headphone and earphone products, referenced under internal designation 040F001Q. The driver is the transducer element responsible for converting electrical audio signals into sound. This part is sourced directly from Sony's consumer electronics parts and accessories catalog, making it the correct specification replacement for the original component. Technicians and repair specialists working on Sony headphone or earphone assemblies will find this driver suited for restoring factory audio performance in failed or damaged units.

This driver unit applies to Sony headphone and earphone repair and refurbishment work. It is intended for use by electronics repair technicians and authorized service centers performing component-level service on Sony consumer audio products. The part number 1-542-491-31 identifies this as a genuine Sony replacement driver, appropriate for installations requiring an exact OEM-specification component rather than an aftermarket substitute.

Key Features

• Genuine Sony OEM driver unit for headphone and earphone assemblies
• Identified by internal designation 040F001Q for precise part matching
• Direct replacement restoring original audio transducer function
• Sourced from Sony consumer electronics parts and accessories supply chain

Compatibility

Designed as an OEM-specification replacement driver for Sony consumer headphone and earphone products. Confirm fitment against the specific model undergoing service before installation.

Installation Notes

Driver replacement in headphone and earphone assemblies should be performed by a qualified electronics repair technician with experience in component-level audio device service. Power down and disconnect the device from any audio source before disassembly. Use appropriate ESD precautions and precision hand tools when handling the driver unit to avoid damage to the transducer element or surrounding components. Follow Sony service documentation for the specific model being repaired.

Technical Specifications

• Part Type: Driver Unit (Transducer)
• Internal Designation: 040F001Q
• Part Category: Headphone and Earphone Parts and Accessories

Standard Information

• Brand: SONY
• Manufacturer Part Number: 1-542-491-31