Join Date: Sep 2008
Location: Laurel, Md, USA
Zumo 550 to VOICE2: Solutions that work
I have read lots of posts and information about connecting the Zumo 550 to the VOICE2 com system. No one post seems to tie it together, so here is my attempt. First, let me tell you NO solution is perfect with this combination of equipment. The VOICE2 did not envision a microphone and stereo input on the same connector. Here are the workarounds and shortcomings in a nutshell:
1) If you want to use the Zumo 550 with a cell phone via the bluetooth feature, you must connect it to the "phone" plug on the VOICE2. The downside is that if you use XM, it will be in mono. No way around this. That is all the jack supports and you need to have a microphone plug as well. If you dont use XM, this is also the best solution because the intercom does not cut out the audio as the VOICE2 supports the a 'conference' of the rider and passenger talking on the phone. The nav directions will come through even when talking with the passenger and you get at least XM in mono. You may need to set an option on the VOICE2 to allow the conferencing. As an added advantage, it will allow your passenger to join in the phone call. When plugged in this way it overrides the audio system on the bike as the cell phone connector has priority. If you are spending the bucks for XM, you probably want to listen to that anyway. This will also override the FRS radio connector as the cell phone has a higher priority... in other words, the FRS will not work since the cell phone connector will always have a signal coming in. I don't see any way to change the priority.
2) If you use the Zumo for XM, MP3s and nav, but not the phone, you dont need a microphone, so you can use the AUX plug on the VOICE2. This will give you the music sources in stereo. The downside to this is that the Intercom with a passenger will override the music AND nav instructions. If you don't have passengers AND don't use the cell phone, this is the best choice for you.
You may need to make this cable yourself though..
Cable for option #1
It needs to have a 3.5mm stereo jack and 2.5mm microphone jack merged into 1 cable that has a 2.5mm 3 pin headset jack at the VOICE2 end.
Headphone jack - A stereo plug has 3 rings - starting with the outermost - Ring 1 is left channel, ring 2 is right channel and ring 3 is ground. Make or cut an existing cable with ring 1 & 2 wires joined. This will make your 3 wire cable into 2.
Microphone - 2.5mm - 2 rings - outermost, ring 1 is mike input, and ring 2 is ground.
Join your grounds together and on the VOICE2 connector - 2.5 mm 3 ring connector, Make outermost pin 1 the microphone, pin2 the audio and pin 3 the ground.
Cable for option # 2 is a standard 3.5 mm stereo cable available anywhere.
The only way to get everything to work as intended is to change comm systems.. the VOICE2 is too inflexible.
Retired Police Officer
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