i just ordered this headunit

http://www.onlinecarstereo.com/CarAu...roductID=18726

heres the stats:

*WMA Playback: Yes
* Satellite Radio Ready: No
* RMS Power Output: 4x16 Watts
* Preamp Voltage: 2 volts
* Subwoofer Preamp Outputs: No
* MP3 playback: Yes
* Maximum Power: 4x45 Watts
* HD Radio: No
* DIN: 1
* CD Text: Yes
* Bluetooth: Optional
* Aux input: Yes
* Built-in EQ: Yes
* CD-R/CD-RW Compatible: Yes
* Remote Control: No
* Detachable Face: Yes

Now i have a subwoofer and amp but this unit does not have the subwoofer preamp outputs. does that mean i cant use my sub with this headunit?

 

no you're fine. when it says subwoofer preamp, it just means low frequency outputs, not mayne headunits at all have them, but down where it says preamp outputs:2, use those, just run the rcas from there to your amp and turn the switch on your amp to only let the low frequencies through. very common.

 

Exactly what he said.

Usually head units run Active tuning when they have the 3 outputs like :Front: :Rear: :Sub:

This allows the listener to adjust the seperation or sorting of sound freq.

With your headunit the one will be enough to send the signal to the amp and the low pass on the amp should filter out any harmful frequncies to the sub.

 

normally the rear is switchable from rear to sub... either way would work thou

 

2v preamp .. man that sucks

 

ok guys thanks