Hi Homer Simpson, Great! We're glad that you are happy with the noise canceling function and audio quality. The WH-1000XM4 is a new design, with intelligent and intuitive Ambient Sound Control features that include improvements to Multipoint connection and our industry-leading Noise Cancelation, exceptional sound quality, and Smart Listening that adjusts to your behavior and location. Thank you for choosing Sony! Erin

Hi John, We're very grateful for this positive feedback! We really love to hear you love the impressive noise cancelling feature and sound quality of your WH-1000XM4! It's good to know you're happy and satisfied with your purchase. Intelligent and intuitive, the WH-1000XM4 headphones offer further improvements to our industry-leading noise cancelation, exceptional sound quality, and smart listening that adjusts to your behavior and your location. Using the Sony Headphones Connect app, Ambient Sound Control lets you adjust the volume of background sound and gives you the option to allow voices alone to be heard. Meanwhile, the Equalizer lets you customize sound levels to suit your music. Thank you for your purchase and for giving the product a perfect rating! -Jess

Hi Tiffany, Thank you for sharing your thoughts and experience so far using your new Sony WH-1000XM4. We're glad you love the amazing sound quality, exceptional comfort, and overall features of your headphones. It's good to know you're utilizing the different customizations and built-in equalizer on the Sony Headphones Connect app. Intelligent and intuitive, the WH-1000XM4 headphones offer further improvements to our industry-leading noise cancelation, exceptional sound quality, and smart listening that adjusts to your behavior and your location. Using the Sony Headphones Connect app, Ambient Sound Control lets you adjust the volume of background sound and gives you the option to allow voices alone to be heard. Thank you for choosing Sony! -Jess