Microlab FC 362. Tweeter size: 63.5 mm (2.5 "). RMS rated power: 54 W, Frequency range: 35 - 20000 Hz, Signal-to-Noise Ratio (SNR): 75 dB. Connectivity technology: Wired. Weight: 5300 g. Speaker power: 15 W, Audio output channels: 2.1, Subwoofer dimensions (WxHxD): 255 x 255 x 287 mm