This speaker wall mount system comes with an incredible amount of hardware including adapter nuts and bolts, screws and other parts that attach to different types of speakers can - those that come with mounting screw holes and those that don't. In addition, the brackets (there are 2 for stereo or surround speakers) are easily adjustable with ball joints and giant pivot screws. These are some pretty amazing speaker wall mounts; I mounted my Definitive 1000's (10lb each) on these and they hang nice and firmly on the wall! No problem - also diagonally downwards and sideways.
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