Look for a sub woofer on your rear deck and your radio must be Infinity or JBL.
The amp is located in the trunk at the right behind the side carpet.
You may be mistaking the "plug" in the parcel tray for the subwoofer. Open the trunk and look at the underside of the parcel tray, where the child seat anchors are located. If you have a round black plastic plug, you don't have a subwoofer. If you see the back end of a speaker with magnet and wires connected, you have a subwoofer.We just bought a used '09 Sonata GLS and had the same question. I thought you had to have an upgraded stereo to have the subwoofer, but it appears that we have a stock stereo with a subwoofer. Is this possible?
You may be mistaking the "plug" in the parcel tray for the subwoofer.
Not to or on the amp itself. Your only adjustments are on your HU's EQ.Are there any kind of adjustments that you can make to the stock amplifier? It seems that the volume , when i use my ipod is better than the radio and XM. XM seems to be the lowest. i know this is not a high end stereo.... i just wanted to know if you can make any adjustments
Not to or on the amp itself. Your only adjustments are on your HU's EQ.