- This topic has 8 replies, 5 voices, and was last updated 4 years, 4 months ago by Anonymous.
April 14, 2015 at 7:37 pm #550Kim DayhoffParticipant
I have the PRM-35 projector and can not get any sound when I mirror my ipad with the apple tv. I notice there are no speakers with this projector. Can I hook cable from projector to my board to use its sound?
April 14, 2015 at 8:05 pm #4551AnonymousInactive
The PRM-35 Projector
does not have any audio output ability; any audio connection would need to be
made between the iPad/AppleTV and the board’s amplifier or other audio system
April 14, 2015 at 8:11 pm #4552AnonymousInactive
Thank you! Trying to figure out that next step, since there is no audio port on apple tv, wonder if I can connect headphone port to board’s audio??
April 14, 2015 at 8:45 pm #4553AnonymousInactive
just looked at apple tv a bit closer (had to get on a ladder) and there is an optical audio port that I need to get an optical audio cable and which port on the board would I plug it into??
April 14, 2015 at 10:07 pm #4554AnonymousInactive
The ActivBoard’s amplifier doesn’t have a port for an optical audio cable. You may need to look at a third party adapter or alternative cables in order for this to work.
You can refer to article 10408 on http://www.PrometheanKB.com for the outputs on the amplifier. You will need to ensure that a 3.5mm Audio cable is used.
(Support Case 00518550)
January 6, 2017 at 7:42 pm #4555AnonymousInactive
I am having the same issue with my apple tv. When it is mirroring on the board I have no sound. I also have the PRM-35 projector. I need to know what type of cable I need and where I need to connect. Do I go from the apple tv to the board? The apple tv only has the optical audio output. I have tried plugging external speakers into the ipad and using a bluetooth speaker and when those are connected I cannot mirror. Thank you.
January 6, 2017 at 7:49 pm #4556AnonymousInactive
If you are using a 3.5mm audio cable for the amplifier, where do you put the other end? The apple tv does not have a port for that.
January 6, 2017 at 8:13 pm #4557AnonymousInactive
I was able to use an adapter that was an HDMI to VGA+ audio adapter from Tripp Lite and this allowed the mirroring from the ipad to also hear the sound, I did have to unplug the cable from the computer to the board when we wanted to mirror. I actually had help with this from our main tech company who helps us out a few times a year.
January 9, 2017 at 5:50 am #4558AnonymousInactive
Thanks for posting on the Support Community.
The PRM-35 projector doesn’t carry any audio output from the HDMI source, as such you need need to use some form of third party equipment/adapter to allow the sound to come through the ActivBoard using the available 3.5mm audio sockets on the ActivBoard amplifier and the Apple TV.
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