Infinity REF407F 4? Reference Two-Way Car Speaker

Part of Infinity’s Reference lineup, the REF407F delivers musical accuracy with punch. Its audiophile-grade tweeters provide smooth, non-fatiguing sound even at high output levels. On larger Reference multielement and component systems, a tweeter output level control is included so you can optimize system linearity for installation location or personal preference. Harman’s patented (US patent #7,548,631) Plus One cones increase overall speaker-cone area compared with others in the class, resulting in higher sensitivity, stronger low-frequency output and accurate music reproduction. Reference speakers are offered in a range of standard sizes and their compact design allows installation in just about any vehicle on the road today.