There are a lot of mixed reviews of this stereo so i was a little nervous about purchasing it but it's gone well so far. I found it to be easy to install, just need a 3" hole saw for the head unit, a jig saw for the speakers and some electrical connectors. The sound is decent for an inexpensive stereo. Actually, I didn't expect it to sound as nice as it does. But I still ordered a pair of baffles just to make it a little better. Those will come in soon so will be interesting to see if there is much difference. I had no problem playing music from multiple sources. My favorite radio station comes in loud and clear. I've played music from my USB drive and the Bluetooth connection from my phone. All worked great. As far as longevity goes....time will tell. I'll post an update if things go south but no complaints right now.