Originally Posted by Rexx6.0
I just installed my new amplified sub into my 2010 Scion xB, and everything works fine except for a few small things that are slightly bothering me.
When I start the car, and turn it off, the sub makes a weird humming noise for about a second... is there something hooked up wrong? Any way to fix this?
Also, when I hooked up the sub, it reset everything on my stock Alpine radio, which is fine, but now I can't change any of the settings like the "MX" and "SSP", they are stuck on "OFF" and "FLAT", and can't change them at all, is this normal?
When installing I noticed a little switch on the back of the enclosure, by the plug input... its a small plastic switch, what is this? I left it the way it came, which is towards the bottom of the enclosure.
Let me know about these little quirks... otherwise it sounds great, just need to play some more with EQing, and finding the rattles now.
To begin with, the humming noise may be due to the ground. Check to make sure this connection is tight and secure. Also, are you using High Level or Low Level Inputs for your signal source?
The switch you are referring to is called the phase input switch. If everything is working perfectly, there is no need to change this position.
If you disconnected the power to the headunit at the start of the install (which is something you should do in all installs) the unit will reset itself due to the loss of power. To turn these settings back on check your owner's manual to see if you are skipping a step. Normally, installing a Tube will not cause features of a headunit to stop working.