Elevate your expectations. Every ENVY laptop is crafted to surpass them with the finest features and powerful technology that deliver a premium entertainment and computing experience. Designed in collaboration with Interscope Records' Jimmy Iovine, Dr. Dre, will. i. am and others, Beats Audio delivers the best sound available on a PC today. Six built-in speakers and a subwoofer let you amplify without external speakers. The Beats Audio volume dial lets you adjust volume precisely. And you can adjust output profile settings easily with the Beats Audio manager. The ENVY is designed to help prevent file loss from accidental drops and bumps. HP ProtectSmart automatically locks the hard drive to protect your files when the accelerometer detects a fall or bump - so you can keep going.