A:Answer Bill - All 3 models feature HDR 10+, SpaceFit Sound which optimizes sound tailored to your environment, (AVA) Active Voice Amplifier which detects disturbances and enhances on-screen voices to deliver each bit of dialogue, loud and clear, and Motion Xcelerator Turbo+ to enhance motion clarity and catch all the fast-moving action whether you're watching sports or taking advantage of newer Next-Gen gaming capabilities. When stepping up to the QN85A, you will gain our Neo Quantum Processor 4K which analyzes the signal, source, and content scene-by-scene to optimize your 4K clarity, HDR 24X, and Object Tracking Sound (OTS) which utilizes 4 strategically placed speakers to place sounds exactly where they appear on-screen and optimizes sound based on each scene. The QN90A features HDR 32X which further brings details to life with ultra-rich color and deep contrast. Additionally, the QN90A features Object Tracking Sound Plus (OTS+) utilizing 6 strategically placed speakers for a heightened audio experience. Another benefit gained when stepping up to the QN90A is Ultra Viewing Angle which makes every seat in the house a great one. Engineered to reduce glare and enhance color, this feature delivers a vibrant picture no matter where you sit. ^Gina
