he 8.9” screen on Kindle Fire HD features an incredible 1920×1200 HD display, and the highest resolution of any of our tablets. But a truly advanced HD experience doesn’t stop with just a high resolution screen. Kindle Fire HD delivers rich color and deep contrast from every angle, with an advanced polarizing filter and custom anti-glare technology. Our exclusive Dolby Digital Plus audio includes technology to adjust volume, create virtual surround sound, and deliver easier-to-understand dialogue in movies and TV shows. Kindle Fire HD also has ultra-fast 4G LTE wireless, plus the fastest Wi-Fi on any tablet