Sony WH-XM700

The Sony WH-1000XM4 (often mistakenly referenced as XM700) represents the pinnacle of consumer noise-canceling headphone technology from Sony's acclaimed 1000X series. As the fourth generation in this award-winning lineup, the WH-1000XM4 refines and enhances the industry-leading features established by its predecessors while introducing intelligent new capabilities. These headphones stand as the gold standard in the premium ANC market, balancing exceptional noise cancellation with audiophile-grade sound quality, smart features, and all-day comfort.

🎧 Industry-Leading Noise Cancellation

• Dual Noise Sensor Technology: Two microphones on each earcup capture ambient noise

• QN1 HD Noise Canceling Processor: Custom processor analyzes and cancels ambient sound

• Adaptive Sound Control: Automatically adjusts noise cancellation based on activity and location

• Atmospheric Pressure Optimizing: Optimizes ANC performance during air travel

• Personalized Optimization: Adapts to individual wearing style, hair, and glasses via app

🔊 Premium Audio Performance

• 40mm Drivers with Liquid Crystal Polymer Diaphragms: Delivers detailed, balanced sound

• LDAC Codec Support: Transmits approximately three times more data than conventional Bluetooth

• DSEE Extreme: AI-based upscaling for compressed digital music files

• 360 Reality Audio: Immersive spatial audio experience with compatible services

• Hi-Res Audio Wireless: Support for high-resolution audio via LDAC

• Customizable EQ: Adjustable via Sony Headphones Connect app

🧠 Intelligent Features

• Speak-to-Chat: Automatically pauses music and activates ambient sound when you speak

• Quick Attention Mode: Cover right earcup to temporarily lower volume and let in ambient sound

• Adaptive Sound Control: Learns frequently visited locations and adjusts settings automatically

• Multipoint Connection: Connect to two devices simultaneously and switch seamlessly

• Precise Voice Pickup: Five microphones with beamforming for crystal clear calls

⚡ Power & Connectivity

• Up to 30 Hours Battery: With ANC on (38 hours with ANC off)

• Quick Charging: 10 minutes = 5 hours of playback

• USB-C Charging: Modern reversible connector

• Wireless & Wired Options: Bluetooth 5.0 or 3.5mm audio cable

• Touch Controls: Intuitive gesture controls on right earcup
  
  

  Battery & Charging

  • Battery Type: Lithium-ion rechargeable battery

  • Music Playback Time: Up to 30 hours (NC on), 38 hours (NC off)

  • Charging Time: Approx. 3 hours

  • Quick Charge: 10 minutes for 5 hours playback

  • Standby Time: Approx. 200 hours

  Design & Comfort Evolution

  Refined Ergonomics

  • Reduced Weight: Lighter than XM3 despite additional features

  • Optimized Padding: Softer, more resilient ear pads with increased contact area

  • Pressure Relief: Reduced clamping force for extended comfort

  • Sleek Aesthetics: Matte finishes with subtle copper accents

  • Foldable Design: Collapses into compact carrying case

  Premium Materials

  • Ear Cushions: Soft urethane foam with protein leather covering

  • Headband: Durable yet flexible with premium padding

  • Build Quality: Minimal plastic creaking, premium tactile feel

  • Carrying Case: Hard-shell case with interior organization

  Performance Analysis

  Noise Cancellation Performance

  • Low Frequencies: Exceptional reduction (airplane engines, train rumble)

  • Mid Frequencies: Outstanding performance (office chatter, background conversations)

  • High Frequencies: Very good attenuation (keyboard clicks, higher-pitched noises)

  • Adaptive Performance: Intelligently adjusts based on movement and environment

  Audio Quality Assessment

  • Sound Signature: Warm, balanced with slight bass emphasis

  • Detail Retrieval: Excellent instrument separation and clarity

  • Soundstage: Wider than most closed-back wireless headphones

  • Bass Response: Powerful yet controlled, not overwhelming

  • Customization: Extensive EQ options via app

  Call Quality

  • Microphone Array: Five built-in microphones with beamforming

  • Wind Noise Reduction: Effective in moderate wind conditions

  • Voice Isolation: Excellent separation of voice from background noise

  • Consistency: Reliable performance across various environments