Polk Command Bar — it’s the home theater sound bar system with Alexa built-in. With integrated far-field microphones and Alexa voice services, use your voice to control the sound bar, your smart home devices and stream music — “Just Ask.” Features patented Voice Adjust technology for crystal clear dialogue, a wireless subwoofer for deep bass and 4K HDMI ports. Plus, it’s fully compatible with FireTV (sold separately). Includes HDMI and Optical cables for quick and easy setup.