Infinity REF-4032CFX 4" 105W Coaxial SpeakersNew Reference speakers are designed to deliver Infinitys signature sound in more vehicles. They feature edge driven textile tweeters for smooth, clear highs and the larger models offer an adjustable tweeter output level control for high frequency optimization based on installation location or the listener's preference. Oversized Plus One woofers offer more surface area for higher bass output and enhanced midrange performance. General Specifications 4"