Furnished content.
(from Lumberjocks.com)
My oldest son James works at Apple and hands me down what he calls out of date phones and iPads.They work fine for me.He stopped by before Christmas and noticed me listening to one of the iPads he gave me while I was working in the shop. 
He bought me these Edifier Speakers for Christmas which were a great improvement.To get them off the workbench I built tilting brackets and mounted them to the rafters.Here's some photos of my work process. 
I made 4 oak pieces to attach to the top and bottom of the speakers, drilled 1/4 + holes, chiseled out the space on the backs for the bolt heads to fit in and then epoxied them in place.
I had to set a stop on my drill press so the bit wouldn't damage the electronics in the speakers.
Mixing in some Poly-Wipe On with the oil stain I made helped speed up the drying process from up to 7 days to one or two.
The bracket pieces were placed in Pony corner clamps and my bench vice to keep them square while I screwed them together with #8-2 square drive SS screws. 
At the end of the work day I hung the stained and finished brackets to dry from strings, then had some Wild Turkey Bourbon. It must have been 5 o'clock some where.
I had to take one end of the bracket apart to fit the bolts into it and then reattach it.
The bolts on the top center of the brackets go through a hole I drilled in a piece of wood I attached to the rafters and are attached with 1/4-20
Star Knobs.
All the wood in this project was cut off's from other projects or wood my neighbors threw out.Thanks for visiting. Best Regards,