HK Audio FINEO FO 15 Install Speaker BEM Opti Horn Rotate 8 ohm (Black) - 15"With its 15 woofer with 2. 5 voice coil, the FO 15 offers the fullest bass foundation and is the most powerful speaker in the FINEO product family without compromising on flexibility. The constant directivity horn with powerful 1 compression driver is well known from the CONTOUR X series developed for everyday touring. With a dispersion angle of 80 x 60 and the ability to rotate 90, the speaker can be operated upright, lying on its side or suspended