The Samsung 7.1.2ch SoundBar Q900A is a premium audio system designed to enhance your home theater experience. It is part of Samsung's lineup of soundbars and offers a high-quality audio solution for your TV or entertainment setup.

Here are some key features and specifications of the Samsung 7.1.2ch SoundBar Q900A:

1. Audio Channels: The soundbar features a 7.1.2 channel configuration, which means it has seven main audio channels, one subwoofer channel, and two upward-firing channels for immersive overhead sound.

2. Dolby Atmos and DTS:X: The Q900A supports Dolby Atmos and DTS:X, which are advanced audio technologies that create a three-dimensional sound experience. With these technologies, sound can be precisely placed and moved in a virtual space around you, providing a more immersive and realistic audio experience.

3. Adaptive Sound: The soundbar includes adaptive sound technology, which analyzes the audio content in real-time and optimizes it for the best possible sound experience. This ensures that you get clear dialogue, rich details, and enhanced audio quality regardless of what you're watching.

4. Acoustic Beam Technology: The Q900A features Samsung's Acoustic Beam technology, which uses strategically placed speakers and advanced signal processing to create a wider soundstage. This technology helps to deliver a more immersive and room-filling audio experience.

5. Wireless Subwoofer: The soundbar comes with a wireless subwoofer that adds deep and powerful bass to your audio. The wireless design allows you to place the subwoofer anywhere in the room without worrying about messy cables.

6. Connectivity Options: The Q900A offers various connectivity options, including HDMI input and output, optical input, and Bluetooth. This allows you to connect your TV, gaming console, Blu-ray player, or other devices to the soundbar and enjoy high-quality audio.

7. Smart Features: The soundbar is compatible with Samsung's SmartThings ecosystem, which means you can control it using the SmartThings app or your voice with virtual assistants like Amazon Alexa or Google Assistant. You can also connect the soundbar to other Samsung devices for a seamless audio experience.

These are some of the notable features of the Samsung 7.1.2ch SoundBar Q900A. It is designed to deliver impressive audio performance, particularly for home theater setups, by providing immersive sound, deep bass, and smart connectivity options.