Alpine BRV-S40 BassRev™ 4" 2-Way Car Speakers Motorcycle Subwoofers Equipped with BLUETOOTH wireless technology

Equipped with BLUETOOTH wireless technology and the Qualcomm® aptX™ HD audio codec

plus satellite radio when you add an optional tuner

2 OHM STEREO 200 x 4 POWER [watts/ch]

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

5 Equivalent Compliance (Vas) 2

Alpine BRV-S40 BassRev™ 4" 2-Way Car Speakers Motorcycle Subwoofers Equipped with BLUETOOTH wireless technologyHigh 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