Experience 360 Spatial Sound with your soundbar The SA-RS5 speakers work with HT-A7000 and HT-A5000 soundbars using up-firing speakers and wide directivity woofers for 360 Spatial Sound Mapping to create multiple phantom speakers around your room. When you’re surrounded on all sides by multiple phantom speakers within an optimized sound field, you’ll hear every sound with incredible intensity. Connects wirelessly The SA-RS5 wireless rear speakers are free of wires for ease of use and peace of mind. These speakers make a wireless connection with the HT-A7000 or HT-A5000 Soundbar so that the speakers can be placed in the most desirable locations without the hassle or worry that long, winding wires bring. Built-in battery with up to 10-hour battery life and quick charging With up to 10 hours of battery life when fully charged, you can set these speakers without worrying about an AC cable. Just 10 minutes of charge will give 90 minutes of use. Immersive audio from up-firing speakers For more immersive overhead audio, up-firing speakers reflect sound off the ceiling. Activate Sound Field Optimization with Optimize button Activate Sound Field Optimization anytime by pressing the OPTIMIZE button on the unit. These speakers combined with a compatible soundbar intelligently measure the distance between speakers and ceiling using dual microphones in each speaker for smart and easy set up. Total 180W power output brings music and movies to life Easily and seamlessly enhance your surround sound experience with an additional 180W (90W x2) added to your system with these dual rear speakers. Flexible layout – no power outlet needed Designed to be flexible to your environment, no wires and internal batteries mean these speakers can be used completely cable-free, or with AC power, whichever you like. Omnidirectional block design These speakers are designed using an Omnidirectional Block concept to match Sony compatible soundbars. The cylindrical shape represents a single solid block providing 360 Spatial Sound and fits perfectly against the wall with a flat rear surface. Wall mount-capable The SA-RS5 rear speakers easily mount to the wall if desired, giving your home theater setup a clean look and feel. | Sony SA-RS5 Wireless Rear Speakers with Built-in Battery for HT-A7000/HT-A5000 - Pair