b w px7 s3Premium wireless headphones with active noise cancellation The B&W Px7 S3 represent the evolution of the English company's iconic over ear headphones, designed to deliver even more detailed, dynamic, and immersive sound. Thanks to the new 40mm dynamic drivers developed in house, they guarantee extremely natural reproduction, with controlled bass, rich mids, and airy highs. Next generation active noise cancellation (ANC) adapts to your surroundings,