RCF COMPACT M 04 4-Inch Compact Surface Mount Speaker | Color: WhiteCOMPACT M 04 is a multipurpose two way full range coaxial speaker system, suitable for a wide range of applications. Its balanced sound is a big asset in near field applications for the best intelligibility. M 04 features high sensitivity, thanks to the use of oversized magnets, and a HI FI sound quality, with smooth and wide frequency response. The SPL level of low distortion audio the M 04 can provide goes far beyond expectations of such a compact