The fsx65-8 is a powerful 6.5-Inch, 8 ohm, Pro audio mid-range loudspeaker. Featuring a Vented back plate design for increased thermal cooling, as well as a high temperature 1.5-Inch copper voice coil, this speaker is capable of operating at the loudest volumes very efficiently. When looking for a Pro audio mid-range speaker, The FSX Series are the only practical solution. Single 8 ohm voice coil. Peak power rating: 300 Watts. Rms power rating: 150 Watts. Sensitivity: 91.5 dB. Frequency Response: 100 Hz - 8 kHz. Sold as 2 speakers.