Bowers & Wilkins PX7 S3 and PX8 S2 Wireless Headphones: Component Analysis and Test Report

Report Number: TERF2411003699-700, 3813E2-P

Product Identification

This document details the internal and external components of the Bowers & Wilkins PX7 S3 and Bowers & Wilkins PX8 S2 wireless headphones, manufactured by B&W Group Ltd.

The primary function of these devices is high-quality wireless audio playback.

Component Breakdown and Visual Documentation

The report includes extensive photographic evidence of the headphones in various states of disassembly, often alongside measurement scales to indicate component sizes.

Internal Circuitry and Chipset

Images reveal the complex internal structure of the headphones, including printed circuit boards (PCBs) populated with electronic components. A key component identified is the Qualcomm QCC3084 chipset, visible on pages 4 and 14, which likely handles wireless connectivity and audio processing.

Rechargeable Battery

The power source for the headphones is a rechargeable Lithium-ion battery. Detailed specifications and images are provided:

Model: 801444PF4 1ICP8/14/44
Rated Capacity: 570mAh
Limited Charge Voltage: 4.4V
Nominal Voltage: 3.85V
Nominal Energy: 2.195Wh
Manufacturer: Chongqing VDL Electronics Co.,Ltd.

Safety Precautions for Battery:

Do not disassemble, crush, or throw into fire. Do not continue to use if severe swelling occurs. Do not put in high temperature environment, do not use after the battery is immersed in water!

Antenna

The internal antenna, crucial for wireless communication, is also depicted and labeled in the report (pages 10 and 20).

Certifications and Markings

Visible markings on components and the product include CE, UKCA, and RoHS compliance indicators.

Report Details

This document is an internal test report from SGS Taiwan Ltd., covering pages 1 through 20.

The report serves as technical documentation and visual evidence of the product's internal construction and components.

Disclaimer

Unless otherwise stated, the results shown in this test report refer only to the sample(s) tested and such sample(s) are retained for 90 days only. This document is issued by SGS Taiwan Ltd. subject to its General Conditions of Service. Unauthorized alteration, forgery, or falsification of the content or appearance of this document is unlawful.

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