The product is a Sony speaker and subwoofer set designed specifically for the KDL-55HX823 TV model. With model numbers 1-858-595-12 and 1-858-595-11, these speakers are built to enhance the audio quality of the TV viewing experience. The Sony brand ensures high-quality sound performance and compatibility with the KDL-55HX823 model, making it a reliable choice for those looking to upgrade their TV's audio system.
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