The amp requires a compatible Ai-net Alpine head unit to operate it. I bought one too and didnt know this and im still trying to put all of the peices together to create a working stereo system without buying everything all over again.
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The gain knob is used to control how much the volume (output) of the amp increases with each increase in volume on the deck (installed in the dash). This is used to match speakers running of your deck. Other knobs are probably for a crossover (labelled in Hz). This controls what frequencies are passed to the speakers connected to the amp. A Highpass (HPF) crossover passes all frequencies above what the knob is set for. A Lowpass (LPF) pass all frequencies below what the knob is set for. A HPF is typically used when the amp is powering component or full range speakers to keep the ultra low frequencies (anything below 90Hz) from going to theses speakers. A LPF is used when the amp is connected to a sub. Subs dont handle higher frequencies very well.
The Chrysler Dodge radio sends full volume to the Infinity amplifier using other cables it sends voltage with data to the amplifier and tells the amplifier lower or increase the volume, there is no way to tap or get the signal that is way pac build this interface for your radio CAN buss adapter hi low
yes it is however the hookup for it requires something a bit unorthodox
you have 4 outputs (bridgeable)
channel 1 and 2 must be bridged (to lower the ohms) then connected to the 2 6X9 in Parallel.. this must then be set to the high pass frequency (eliminates bass) lower all the settings as low as possible then turn them up slightly to increase volume to a level where its the hardest and clean sounding..lower volume after
this eliminates the bass and keeps the 6x9 pushing your mid range and high range frequency
now you have 2 channels remaining,, set 3 and 4 to low pass and connect each 12" to an individual channel. (this keeps the bass and ohms high so you will get a clean bass to match with mids and high's. Dont set or bridge for a low bass as it will jam out the 6x9 and your music will sound terrible.
so there u have a simple hookup that will work and keep you sounding clean. remember not to raise the volume on the 6X9 too much as you will blow them..
It sounds like when your increasing the volume the amp is either trying to put too much watts out or it's not getting enough power to do what you want it to do. Personally i think that it's being worked too much. That's why the amp light turns from yellow to red.
What kind of amp is it? This will help with proper setup. 1st turn down the gain on the amp. 2nd if the amp has a crossover determine if you want high pass or low pass. There may be a switch and a knob with markings like Hz 40-100 ect.. with the gain down turn the volume up on your radio 3/4 of the way up. Now slowly turn up the gain till you hear distortion and back it down a little. Sit back and enjoy :D
It's common for head units to run extremely hot when driving all 4 channels from the internal amplifier. If you can get some air flowing over the heatsink, it will help greatly. The smallest fan you can find will move enough air to reduce the temperature significantly (assuming it's placed where it can be effective).
A better option would be to use an external amplifier.
St the crossover to LP (low-pass), and around 80Hz for 12" subs or 120Hz for 10" subs. Turn the gain all the way DOWN. Turn the radio about 3/4 or 4/5 the way up. Adjust gain until subs start to sound a wee bit sloppy and then adjust back 1/8 of a turn. Also, DON'T turn the LOUD function on or the BASS all the way up on the radio.... these should really be flat as possible.