Alpine I509-WRA-JK Dash Cam package includes: one set of

package includes: one set of weather-resistant SPV-65X-WRA 6-1/2" component speakers

20 ohms Free Air Resonance (Fs) 1450 Hz Reference Efficiency (no) 0

and Classical

5 dB @ 1 W / 1 m System Nominal Impedance 4 ohms System Frequency Response 40 Hz - 24 KHz ± 3 dB

Alpine I509-WRA-JK Dash Cam package includes: one set ofAbout the Alpine Restyle i509 WRA JK Your JK deserves a top of the line Alpine Alpine's long been synonymous with first class automotive audio, and the i509 WRA JK digital multimedia receiver is no exception. This handsome Restyle package fits your 2011 18 Wrangler JK, combining seamless (and wireless) smartphone connectivity, HD Radio, plenty of inputs, and much more with rugged construction that can handle the challenges of your Jeep's environment.