Integrated RGB LED lighting to enhance your experience in combination with the HM RGB 1 BK accessory ^^ Engineered and tested for the real environment of application (UV, salt-fog, vibrations, water spray, thermal shock, dust) ^^ 1.4 Neodymium magnet tweeter featuring a PEI material dome combined with faceplate and acoustic lens optimized for best off-axis dispersion and highest SPL ^^ Sound-transparent stainless steel tweeter mesh grille providing efficient high-frequency transfer, attractive look and a rock-solid protection ^^ Long-throw 25mm (1) voice coil woofer fine-tuned for infinite baffle application featuring polypropylene cone injected with UV inhibitors and comolded Santoprene surround