Creative Labs INSPIRE 7.1 T7900. RMS rated power: 8 W, Frequency range: 110 - 20000 Hz, Signal-to-Noise Ratio (SNR): 80 dB. Connectivity technology: Wired. Operating temperature range (T-T): 0 - 50 °C, Operating relative humidity range: 20 - 90 %. Speaker power: 20 W, Audio output channels: 7.1, Subwoofer RMS power: 24 W