Editing Sony WH-1000XM4

[title|Sony WH-1000XM4] [summary]Repair and disassembly information for Sony WH-1000XM4 wireless noise-cancelling over-ear headphones.[/summary] [summary_image|2435929] [document|28698|WH 1000XM4 Service Manual|display=list] [page_title|Sony WH-1000XM4 Repair] == Background & Identification == Released in August 2020, Sony's WH-1000XM4 headphones feature Bluetooth 5.0 and active noise cancelling, and are a direct successor to 2019’s WH-1000XM3s. Featuring a nearly identical exterior design, the XM4s gain slightly larger ear cups, refreshed ergonomics, and ANC algorithm updates to Sony’s QN1 and Bluetooth SoC. Available in black, blue, or silver, the WH-1000XM4s are priced at $350. In our Apple AirPods Max [guide|139369|teardown|stepid=278312] on January 11, 2021, we explored the WH-1000XM4’s internals and how they fare when compared to direct competitors. == Technical Specifications == * Battery life: ~30 hours with noise cancelling enabled * Driver size: 40 mm * Bluetooth: 5.0 * Audio formats: SBC, AAC, LDAC * Weight: 254 g (8.96 oz.) == Additional Information == * Sony: [link|https://www.sony.com/et/electronics/headband-headphones/wh-1000xm4/specifications|WH-1000XM4 Specs] * CNET: [link|https://www.cnet.com/news/sony-wh-1000xm4-review-a-nearly-flawless-noise-canceling-headphone/|XM4 Review] * TechRadar: [link|https://www.techradar.com/reviews/sony-wh-1000xm4-wireless-headphones|XM4 Review] * Wikipedia: [link|https://en.wikipedia.org/wiki/Noise-cancelling_headphones|Noise-cancelling headphones]