These Boss Audio NX524 5.25 coaxial car speakers are full range 4 way speakers. They are sold in a pair. They have power handling of 300 watts max and 150 watt RMS per pair. Their frequency response is 85 HZ to 20kHz with a 90 dB sensitivity. They are made with a poly injection woofer cone with a rubber surround. Each speaker includes 2 tweeters and a 1.25 mylar cone midrange. They will easily fit into your car with a 2.25 Inch mounting depth.These speakers also include Metal Mesh grilss that are optional when you are putting them on. This way you can protect the speakers from the elements, but if you are tight on space, you do not have have to put them on.We are an authorize Boss dealer!!\n  [1]: .