If you have any specific choice for any type and on location of speakers in your building under construction, you are welcome to our latest product range at Proficient Audio Accessories - Pre-Construction Brackets are used for new home construction or remodeling before sheet rock is hung. Our brackets allow you to position speakers precisely at the desired location so that they remain unconspicuous. Our central channel, which is the building block of any audio system, makes sure that your system works perfectly for years. We may add that our advanced music systems stricty follow basic impedance matching volume controls with slick remote keypads and touchscreens to select and simutaneously control different audio / video sources in different rooms.