The Monoprice Premium 5.1.4-Channel Immersive Home Theater System takes your home theater to new heights! Fully compatible with both standard and Dolby Atmos® enabled receivers; the 5.1.4 system features four satellite speakers that have been equipped with immersive; upward-firing drivers; enhancing the detail in multichannel; multidimensional soundtracks. Based on the sound signature and components of the popular 10565 home theater system; the Monoprice Premium 5.1.4-Channel Immersive Home Theater System surpasses all expectations for sound quality in a small package! Support Files: User's Manual (Jul 27; 2018) Dolby®; Dolby Atmos®; and the double-D symbol are trademarks of Dolby Laboratories.