The new FSX series 10-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 150 watts RMS power and 300 watts max power, and featuring an 4 ohm voice coil, these will shine on proper amplified power. Sold individually. Magnet type : ferrite, magnet weight : 20 oz, voice coil : 1.5" Copper, basket : pressed steel, RMS power : 150 watts, max power : 300 watts.