I remixed Dread Maker Roberts extremely useful clamp adapter by adding a little channel for a cable. The ¾" thread remains as you only need an adapter to attach any other size of thread to it, so it is the most flexible solution in my opinion.
The channel allows you to drive a charging cable inside the hose. I uploaded two STLs, with either one or two cable channels just in case.
Also made a nozzle for ½" Loc-Line where you can insert an audio screw (I think it is ¼") and epoxy it in place. You can use a LocLine nozzle instead and make a hole on the side for the cable, but they are hard to come by outside the US.
The screw allows you to attach most audio/video equipment to the hose. For heavier weights you can add aluminum wire inside the locline (6 mm of material should do the trick)
This is a fast solution I made in a pinch as I needed it fast, so I am keen on improving it. Also the terrible pics.
Nozzle: 0.4mm
Material: PLA, anyone works
Print: 0.2mm
Perimeters: 3
Support: Base only
Brim: Not required
Infill: 15-30%
Fill pattern: Any should work
The author remixed this model.