The new FSX series FSX8-4 8-inch pro audio speaker features a high quality ferrite magnet and were designed to be very loud and powerful mid-range speakers. We wanted to develop a high power pro audio mid that offered our customers looking to run a large quantity of this type of speaker a practical solution at an affordable cost, but without sacrificing quality. That is exactly what this speaker brings to you. Rated at a conservative 175 watts RMS power and 350 watts max power, and featuring a 4 ohm voice coil, these will shine on proper amplified power. Single 4 ohm voice coil. Sold individually. Magnet type: ferrite, magnet weight: 20 oz., voice coil: 1.5″ Copper, basket: pressed steel, RMS power: 175 watts, max power: 350 watts.