This is the Kenwood Excelon KFC-X183C 7" Oversized Coaxial Speakers.
The new KFC-X183C is a true upgrade to a factory speaker system. It can handle up to 280W of of output and can be easily installed in Dodge, GM, Toyota and Chevrolet vehicles. Each pair of KFC-X183C speakers comes with a special multi-fit bracket. This bracket can be easily modified for use in a variety of makes associated with the above mentioned vehicle manufacturers. In addition the speaker features an oversized diaphragm that is 28% bigger than the KFC-X173 so it delivers exceptional audio reproduction.
Diamond Array Pattern Diaphragm
4 Ohm | Single Voice Coil
RMS: 80 Watts
Peak: 280 Watts
63Hz - 17kHz