basically as long as your amp has enough power to run the woofers the system will work but factors such as box type, vehicle, woofer direction, amp tuning, etc. will have more effect on the system as a whole. so here is some basics...
> what kind of vehicle?
> what kind of box (sealed, vented, bandpass, etc.)?
> what kind of music do you listen to (how much rap in percentage of all music you listen to)?
> what head unit, amp, and woofers?
> how much bass are you wanting?
> are you building this system on a budget and if so how much are you expecting to spend?
The radio code is a security feature that's meant to deter theft, and it's unique to each vehicle. If you've lost your code, you'll need to contact a Nissan dealership or service center and provide proof of ownership. They should be able to help you retrieve the code. Please do not attempt to use codes from the internet as incorrect attempts may lock your radio.
First thing to do is check to make sure that the batteries are properly charged.
Second, make sure that you have a clear line-of-site to the IR transmitter. Infrared (IR) works the same way that your TVs remote control works - if the signal is blocked, then you will not hear any sound.
Third, make sure that you are in the rear seat of the vehicle when listening to the sound. The IR transmitter only transmits to the rear seat, so you will not hear any sound if you are sitting in the front seats. This is a common problem that i see.
Lastly, make sure that the heapdhones you purchased are compatible with your 2006 2007 2008 2009 or 2010 Toyota Sienna. Remember that some older models require RF headphones, not IR headphones. I checked http://www.audiovideo2go.com for compatibility before I purchased my headphones. They have a useful listing of all the headphones and models of vehicles they are compatible with.
Unfortunately, no one knows or is telling. Companies rarely state power in RMS because Peak Power is a much more impressive. 1000 watt amp, 200 watts RMS x 2 channels at 8 ohms. Look for a sticker on the unit.
https://www.google.com/search?q=Xplore+Amp+5553
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'year make model' of the vehicle is needed in questions like this please?
Modern vehicle radios are controlled by the Body control Module (BCM) and are used for broadcasting warning beeps and indicator clickers. The beeps an be as innocuous as "do you know your radio is still on"? It can also be caused by your cellphone pinging local transmitters and receiving a confirmation back, or checking in for emails.
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Aug 26, 2010 - What causes a beeping noise to come over the radio speakers? How can it be made to stop? - Answered by a verified Mercedes Mechanic.
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