More prep for a passenger on the Vienna run, time to finish the intercom modifications.
Components
I'm using a Sena SMH5 motorcycle intercom installed on Howard Leight LO4 shooting ear defenders. The SMH5 is an older model - trying to hit the sweet spot between functionality and price + this version retains the large jog wheel rather than push buttons for volume.
Functionality
- Stereo sound
- Intercom
- Bluetooth audio in from any source
- Music sharing - one headset feed from the radio can share with the passenger
- Phone audio in/out
- Runs from battery, but also functional while being charged from USB 5v - so I can charge it on the run.
The radio is already modified to transmit on bluetooth so this change means I get my default music playback + with the push of a button can talk to the passenger. As a bonus it will also talk to my phone - but thats a mixed blessing - when I'm driving the Zero the last thing I want to be doing is taking phone calls!
Installation
Mods to the ear muffs filing out some grooves to route the wires.
The right ear speaker cable is looped over the headband and secured - one stitched, the other glued. Lets see how robust Gorilla glue really is.
The speakers sit inside the ear muffs attached with velcro, the ear pads clip in - so can be removed for routing cables and re-installed to hide them.
Controls Reference
On the bench and stationary in the garage functionality checks out, needs a test run.
The mic boom attachment may need some adjustment - by design its meant to have another support around the chin area in a helmet which I cannot provide, it may need its velcro fastening replaced with a 3M sponge pad or some 3M dual lock.
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