Creative Labs I-Trigue 2.1 3330. Frequency range: 40 - 20 Hz, Signal-to-Noise Ratio (SNR): 80 dB. Connectivity technology: Wired, Connector(s): Analog Front In. Cables included: 1 x stereo - stereo audio. Audio output channels: 2.1, Subwoofer dimensions (WxHxD): 265 x 245 x 242 mm, Surround speaker dimensions (WxHxD): 84 x 44 x 212 mm