It really depends on the price your giving for them. If you getting a sick deal on them then go for it. If not there are far better subs for the same price.
Type R Subwoofers are generally accepted to be decent subwoofers.
Most subwoofers have their own power source. There are subwoofers called "passive" woofers that will be powered by your amplifier.
Mercedes uses Bose subwoofers.
No, subwoofers are for DJs, home theater, clubs, concerts, cars, etc... Subwoofers are for everybody who enjoys the low frequencies of the bass.
Your library should have a book that will contain information about audio subwoofers. You can first try searching the subject 'subwoofers' on the computers at your library.
No, this has nothing to do with Audio or Subwoofers. Its for serial devices.
consider getting a lower powered amplifier or subwoofer that doesn't strain your cars electrical power.
Used subwoofers can be purchased on Ebay. In addition to Ebay, people can also purchase used subwoofers at car dealerships and from both Craigslist and Cartoys.
the MTX is better
The JBL MRX518S 18" Bass Reflex Subwoofers are the best.
Yes people have put marine subwoofers in cars. It is compatible.
Subwoofers last, for most purposes, the life the car.