The new FSX series 6.5-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 a 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. Skar Audio FSX65-4 6.5" 4 Ohm mid-range speaker 300 Watts Max | 150 Watts RMS 1.5" Voice coil - Ferrite magnet Sensitivity : 92.5 Db 1w/1m Sold Individually (Set of 1)