Hi Leonardperry, We are really sorry if the bass sound of our WH-1000XM4 didn't live up to your expectations. This is certainly not the news we'd like to hear from you. To isolate the problem, please try tweaking the Equalizer on the Sony Headphones Connect app to revitalize your music. Deliver punchy bass or boost vocals on your favorite track with a simple swipe up or down. For more details, please refer to the following article: https://www.sony.com/electronics/support/articles/00286844 I hope this helps. Should you need more information/technical assistance, please feel free to contact us and we'll be more than happy to assist you. You may send us an email at socialsupport@am.sony.com with the following: Name: Sony Username: Model Number: Issue/Concern: Telephone Number: We truly appreciate you & your input, and thanks for choosing Sony. Best regards, Romeo

Hi Luis, Great! You definitely made the right choice. We're glad you're enjoying all the improvements we made on these headphones. Sony’s industry-leading noise cancellation evolves to further immerse you in your music. The addition of Sony’s proprietary HD Noise Canceling Processor QN1 masterfully eliminates the noise around you. Listen all day with up to 30 hours of battery life. Quick charging gives five hours of playback with just a 10-minute charge. To get the most out of your WH-1000XM4, download the Sony | Headphones Connect App. It includes Adaptive Sound Control—which automatically adjusts noise canceling based on your activity and an equalizer—which can be customized to fine-tune your music. Using our advanced noise canceling technology, we designed these headphones so you can block out noise and experience next-level silence. Plus, you have the ability to use the convenient smart features including Quick Attention, Google Assistant/Alexa/Siri compatibility, and touch controls. Thanks for choosing Sony! -Jess

Hi June123, Thank you for the purchase! We're glad to hear that you like your new Sony headphones. We appreciate the 5-star rating and thank you for choosing Sony! -David

Hi Uno4tres, We're sorry to hear about the charging issue you experienced with your WH-1000XM4. This is not the experience we want for our customers. Let's try to isolate and resolve this issue by following the troubleshooting steps on the link below: https://helpguide.sony.net/mdr/wh1000xm4/v1/en/contents/TP0002752805.html If these steps do not resolve the issue, we recommend contacting Sony Support for further assistance. You can contact them via phone call at 855-806-8464 or chat through this link: https://us.esupport.sony.com/support/s/service?language=en_US. Regards, Sam