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 ^^ Long-throw 32 mm ( 1.26 ) voice coil woofer fine-tuned for infinite baffle application featuring polypropylene cone injected with UV inhibitors and co-molded Santoprene surround ^^ Long-throw 25mm (1) voice coil woofer fine-tuned for infinite baffle application featuring polypropylene cone injected with UV inhibitors and comolded Santoprene surround.