Even if it's just an inexpensive iPod or Bluetooth speaker, careful placement can really make a difference in the sound. Specific placement requirements vary with the type of speaker, but it's usually wise to have speakers at least 36 inches off the floor, close to the height of a seated listener's head. If the speakers have to be placed lower or higher, angle them toward the main listening position. Try to place speakers at least a few feet away from corners and large pieces of furniture that reflect sound.
Placing speakers close to boundaries -- walls, corners, … Read more