The Mitchell & Brown 40W Soundbar is perfect for film buffs or a night in watching your favourite film, this sound bar features a metal grill with 4 PCS 2" full range speaker with built-In Bluetooth receiver you can connect your device, there are also handy side panel control buttons. A standard for the short-range wireless interconnection of mobile phones, computers, and other electronic devices.To wall mount your speakers you'll need to choose a wall bracket that fits your model. They're available for all sizes of speakers and you can also select from models that allow them to be tilted left and right as well as up and down. Optical digital audio connections are a popular way to send high quality audio between devices. You might have a number of different choices when it comes to the audio for your system, and optical is always a good choice. Many modern devices today have an aux audio input, or auxiliary input jack. This enables one to plug in a hardware device directly to another hardware device, like your computer, for easy connection.