Sat nav Volume in Noisey Vehicles


Standard Member
Hi am about to replace a damaged Garmin C550, ideally need Traffic info & MP3 playback , but need a loud unit to enable hearing audio in a noisey truck, at present the mp3 & speech from Garmin C550 is just loud enough, probably thanks to its Dual Speaker

I understand most devices are single speakers so doubt they would be loud enough,

Also Traffic my C550 with GTM21 only works with any info whilst on a Major trunk road or motorway,

Does Nulink the new Garmin system work in towns & does it or even tomtoms HD traffic show any traffic delays etc in town rather than just major trunks???

any advice greatly appreciated

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