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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 |
