DS18 PRO-FR6NEO 6.5" Neodymium Full-Range Loudspeaker with Bullet 450 Watts 4-Ohm with Grill DS18 amassed a wealth of experience in manufacturing the most elegant neodymium midranges for those seeking simple perfection. Neodymium magnets provide a higher magnetic flux density in the air gap, which generates a much greater action force in the voice coil. For this reason, Neo magnets have the strongest permanent magnets of all the commercially available speakers. Ranging in sizes, mounting depths,