There are many reasons that a projector may not be turning on. Please check the Power Point, check the Thermal Lamp light glowing or not if it is glowing it mean poor maintenance and the heat is not dissipating out, so bring it to service center.
DOLBY ATMOS OVERHEAD SPEAKERS These speakers are unlike others speakers have specific dimension and construction to Give you the required result, best atoms overhead speakers comes with tilt able tweeter Inside that gives direction on higher frequencies delivered.
DOLBY ENABLED SPEAKERS These speakers are placed above the tower speakers or front speakers that basically works on Reflection. However loss on reflection is inevitable by absorption of the ceiling material used.
AV Receivers we use is signal driven and the maximum energy to be transferred to the drivers (speakers) where Ever we install, copper is the best conductive material for better efficiency, we recommend Best speaker cable with better specification for ultimate experience.