Moderated Discussion Areas
ContinuousWave: Small Boat Electrical
|Author||Topic: Garmin 540s|
posted 12-03-2007 06:26 PM ET (US)
I just recently purchased a 540 and all works fine except the XM Satellite radio. I get sound out of the new speakers I installed but cannot get much volume out. I can adjust the volume to 100% put not much output to the speakers and I cannot select any treble or bass. Do I need an amplifer out to the speakers? Thanks
posted 12-03-2007 09:01 PM ET (US)
The problem you describe is consistent with a line level
output, which needs an amp.
I presume you have the GXM 31 receiver, since that's what will
posted 12-03-2007 09:08 PM ET (US)
Cheeeesus! I just made a special trip to Boaters World to check out the 545s, I am getting close to pulling the trigger. What other surprises are to follow? zot.
posted 12-03-2007 09:40 PM ET (US)
There are no surprises in this installation The GXM 31 antenna comes with an operators manual & comes with a cable that connects on the back of your 540/545. Two cables have RCA connectors that plug into the aux channels of you installed radio and the other cable provides the connection for the GXM 31 antenna itself. .... the 540/ does not have enough to power standlone speakers.
Here are some pictures ....
Connector cables for the GXM31 antenna
XM Screen menus .......... click to view slideshow
Here's what the install looks like ....
GXM 31 is on the right ......
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