Head’s are going to turn when they hear the sound that pumps through the JBL GX Series speakers. But get in and “whoa!” they look incredible. General Specifications Type: 3-1/2” coaxial car audio loudspeaker Audio Specifications Frequency Response: 90Hz – 21kHz Nominal Impedance: 2.3 ohms Power Handling (Peak): 75 Watts Sensitivity: 89dB