Sony WF-1000XM4 earbuds add to listening quality and convenience Wednesday, 09 June 2021 11:54 Sony WF-1000XM4 earbuds add to listening quality and convenience Shares Sony's "truly wireless" WF-1000XM4 earbuds boast superior noise cancelling and fit. The WF-1000XM4 earbuds feature Sony's new V1 integrated processor and dual noise sensor microphones for improved noise cancellation and better Bluetooth stability, while using less power than its predecessor. There's also a new 6mm driver unit with a 20% increase in magnet volume provides improved performance in low frequencies as well as enhances noise cancelling thanks to the ability to deliver a high-precision cancellation signal in the low frequency range.