In the lab
Frequency response (at 2 meters)
front left/right: 100 Hz to 13.7 kHz ±4.2 dB
center: 100 Hz to 9.4 kHz ±3.1 dB
surround: 92 Hz to 16.7 kHz ±5.4 dB
subwoofer: 24 to 117 Hz ±2.3 dB
Sensitivity (SPL at 1 meter with 2.8 volts of pink-noise input)
front left/right: 91 dB
center: 90 dB
surround: 81 dB