This Sony Bravia X77L TV provides glorious 4K pictures with rich with real world detail and texture, powered by a 4K Processor X1. X-Reality PRO upscales every pixel for exceptional clarity, analysing frames and matching each scene with a unique database to refine images and reduce noise. Clear Phase technology analyses physical speaker response and compares it to the original audio signal to cancel out any peaks or dips in the speaker's natural response to give pure, natural audio with smooth, even reproduction of all frequencies.