Pioneer SP-C22 Andrew Jones Designed Center Channel Speaker Single Part Number: SP-C22 Type: Center Channel Speaker Speakers Configuration: 2-way Driver Units: Two 4 Structured Surface Woofers 1 High Efficiency Soft Dome Tweeter Power Rating: 90W Frequency Response: 55Hz - 20kHz Nominal Impedance: 6 Ohms Sensitivity: 88 dB