Pinnacle Studiophile BX8a. Tweeter size: 25.4 mm, Woofer size: 203.2 mm, Magnet type: neodymium. RMS rated power: 260 W, Frequency range: 40 - 22000 Hz, Signal-to-Noise Ratio (SNR): 100 dB. Speaker interface type: XLR. Weight: 11970 g. Type: Bookshelf, Dimensions (WxDxH): 254 x 381 x 304.8 mm, Audio output channels: 2.0