Engadget recommends only products that have been reviewed by our editorial staff. This is independent from our parent company. Affiliate links may be included in some of our stories. We may be compensated if you purchase something using one of these affiliate links.You're in luck if you missed the incredible deal on Sony's WH-1000XM4ANC headphones. Wireless over-ears have been reduced to $278, which is $72 less than their usual price of $350.Amazon: Sony WH-1000XM4 - $278Although they may seem a little expensive for some, we think they are worth the investment. Since their arrival last fall, the WH-1000XM4s have been at the top of our best wireless headphones list. Sony's new cans are more comfortable than previous models. They also have better software that supports the QN1 noise cancelling and Bluetooth Audio chips.The headphones have a punchy bass and added detail, as well as boomy low-end tones that will make music more enjoyable. The headphones also block out background noises. Sony has also added Edge-AI to its audio-upscaling technology, the Digital Sound Enhancement Engine or DSEE. This allows for real-time music analysis.It also enhanced the companion app, which already offers audio customization and multi-device connectivity. This handy feature allows you to seamlessly switch between devices. You can also use the automatic pause feature to halt what you are listening to when your talking starts.Follow @EngadgetDeals Twitter to get the most recent tech deals and buying advice.