Pioneer S-LX70C. Tweeter size: 25 mm, Woofer size: 130 mm. RMS rated power: 130 W, Frequency range: 40 - 50000 Hz, Impedance: 6 Ом. Weight: 5200 g. Type: TV/Monitor speakers, Dimensions (WxDxH): 722 x 70 x 175 mm, Audio output channels: 1.0