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SONY WF-1000XM4 Wireless Noise Cancelling Earbuds
Key Features
Active Noise Cancellation
Up to 8 Hours of Playback in ANC Mode
6mm Drivers with Hi-Res Wireless Audio
Charging Case for 16 Extra Hours
Speak-to-Chat Auto Lowers ANC/Volume
Google Fast Pair & Swift Pair
Supports Google Assistant & Alexa
1 Year Warranty
Sony WF-1000XM4 Noise-Canceling True Wireless Earbuds
The Sony WF-1000XM4 Noise-Canceling True Wireless Earbuds redefine industry standards for premium, immersive personal audio. Engineered to challenge full-sized over-ear headphones, these flagship in-ear monitors combine a custom-designed processor with cutting-edge acoustics. Boasting high-resolution wireless audio support, tailored ergonomics, and intelligent smart listening adjustments, the WF-1000XM4 delivers exceptional clarity, deep punchy bass, and absolute isolation for daily commutes, studio tracking, workout environments, and voice communication.
Core Specifications and Key Features
Integrated Processor V1 and Next-Gen ANC
At the heart of the system is Sony’s proprietary Integrated Processor V1 . This specialized hardware chip takes active noise cancellation (ANC) to unprecedented heights by processing external environment noise with lower latency than legacy systems. Working alongside dual high-performance noise-sensor microphones on each earbud, it subdues harsh city engine roars, airplane drone, and ambient office chatter across all frequencies.
High-Resolution Wireless Audio Performance
- LDAC Codec Integration: Natively supports LDAC High-Resolution Audio Wireless transmission. It transmits roughly three times the data capacity of standard Bluetooth pipelines, preserving fine studio details.
- DSEE Extreme Audio Upscaling: Leverages Edge-AI real-time programming to restore compressed digital audio files dynamically, bringing compressed files back to near-high-resolution acoustic fidelity.
- Dynamic 6mm Drivers: Houses high-compliance 6mm dynamic driver units backed by high-energy neodymium magnets, generating punchy, tight bass extensions and rich, transparent mid-tones.
Intelligent Smart Listening Technologies
- Speak-to-Chat Mechanism: Automates conversation switching. The moment you speak out loud, the earbuds pause your music and activate transparent Ambient Sound mode, letting you hold a discussion without removing the buds.
- Adaptive Sound Control: Monitors physical behavior (traveling, walking, waiting) and dynamically adapts internal ANC and transparency settings to keep you safe and balanced in your environment.
- Bone Conduction Sensors: Uses an internal bone-conduction sensor linked with beamforming microphones to isolate vocals during phone calls, neutralizing background noise wind distortions.
Polyurethane Foam Tips and Secure Build
The WF-1000XM4 discards traditional soft silicone structures for specialized Polyurethane Foam Earbud Tips . The memory foam material expands naturally to seal the ear canal tightly, maximizing physical passive noise attenuation while ensuring a stable, non-slip mechanical fit. The chassis is scaled with an IPX4 water-resistant rating , shielding internal structural elements against heavy gym sweat, rainfall, and accidental water splashes.
Technical Specifications Overview
| Feature | Specification Details |
|---|---|
| Driver System | 6.0 mm Dynamic Drivers with high-compliance neodymium magnets |
| Hardware Core | Sony Integrated Processor V1 with real-time active noise cancellation |
| Audio Processing | DSEE Extreme real-time file restoration engine |
| Bluetooth Interface | Version 5.2 (Supported profiles: A2DP, AVRCP, HFP, HSP) |
| Codec Compatibility | LDAC (Hi-Res Wireless), AAC, SBC |
| Battery Performance | Up to 8 hours (ANC ON) / 12 hours (ANC OFF) per independent charge |
| Charging Case Matrix | Holds 16 extra hours; supports USB-C fast charging & Qi wireless charging |
| Environmental Protection | IPX4 splash, moisture, and sweat resistance |
| Physical Weight | Approx. 7.3 g per independent earbud unit; 41 g charging case |
