This package deal includes 2 Brand New Skar Audio fsx65-4 6. 5-Inch 4 ohm speakers. The fsx65-4 is a powerful 6.5-Inch, 4 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 4 ohm voice coil. Peak power rating: 300 Watts. Rms power rating: 150 Watts. Sensitivity: 92.5 dB. Frequency Response: 100 Hz - 8 kHz. 2 speakers included with purchase.