Alpine BRV-S40 BassRev™ 4" 2-Way Car Speakers Motorcycle Subwoofers GPS 24xd NMEA 2000®

GPS 24xd NMEA 2000®

an operating frequency of 42 to 65 kHz and 130 to 210 kHz

Optional Spare Tire Camera & Light System: The i509-WRA-JK also supports Alpine's HCE-TCAM1-WRA spare tire camera & light system (sold separately)

plus satellite radio when you add an optional tuner

4 pair of 8" wide-frequency range mid-bass speakers

Alpine BRV-S40 BassRev™ 4" 2-Way Car Speakers Motorcycle Subwoofers GPS 24xd NMEA 2000®High res audio certified The Alpine BRV S40 4" coaxial speakers are an excellent way to add life to your sound. In fact, they're Hi Res Audio Certified by the Japan Audio Society (JAS). These coaxial speakers combine rigid, high excursion woofers with 3 4" tweeters in a combo that Alpine has designed and tested to maximize the Optim DSP output from select Alpine amplifiers. The woofer features Alpine's new H. E. D. G. E. multi roll surround with a