Sony WF1000XM4/S Silver Noise-Canceling Wireless Earbuds with Alexa

The Sony WF-1000XM4 Truly Wireless Earbuds in Silver represent Sony's flagship approach to personal audio, combining their most advanced noise cancellation technology with high-resolution wireless sound quality. At the heart of the noise-canceling system is Sony's Integrated Processor V1, a purpose-built chip that works in concert with dual noise sensor microphones on each earbud to continuously analyze and suppress ambient sound. The result is a level of noise cancellation that competes with — and often surpasses — full-size over-ear headphones, making these earbuds effective for commutes, open offices, and air travel alike.

Audio quality is driven by support for Sony's LDAC Bluetooth codec, which transmits data at up to 990 kbps — roughly three times the bitrate of standard SBC Bluetooth audio. When paired with a compatible smartphone or player, this translates into noticeably richer, more detailed sound that brings out nuances in music that lower-bandwidth codecs compress away. For phone calls, a beamforming microphone isolates your voice directionally while a bone-conduction sensor captures vocal vibrations through your jaw, allowing the earbuds to maintain call clarity even in loud surroundings. The earbuds carry an IPX4 water resistance rating for sweat and splash protection, feature built-in Alexa for voice commands, and charge via a Qi wireless-compatible case that eliminates the need to fumble with cables when topping up on the go.