Reference 307F

The Infinity Reference REF307F is a high-performance 3.5-inch 2-way coaxial car speaker pair designed to seamlessly upgrade factory vehicle sound systems. Engineered with patented Plus One polypropylene woofer cones and durable rubber surrounds, these compact speakers deliver deeper bass and enhanced midrange performance. They feature half-inch edge-driven textile dome tweeters that provide exceptionally smooth, detailed highs. Operating with a 3-ohm impedance, they safely adapt to factory wiring to draw optimal power from standard stereos. The system handles 25 watts RMS and 75 watts peak power, operating across an impressive frequency response range of 85Hz to 21kHz.