An amazingly powerful speaker designed for any kind of application. Consisting of a 15 inch driver, and 3 x 3 in piezo tweeters, giving an amazing 350 watts RMS per cab, and a peak handling power of 850 watts per cab.The CD 158 gives out a clear crisp top end due to the 3 piezo tweeters.With a punchy bottom end that only a top quality 15 inch driver can handle. Features 350W RMS 8 Ohm 3x3-inch piezo tweeters Sensitivity (1W, 1M): 94dB Frequency response: 50Hz - 20kHz Maximum SPL: 112dB Nominal Coverage (H x V): 90 x 60o 15-inch woofer, 50oz Magnet, 2.5-inch Voice coil independent overload protection Speakon & Jack connections 35mm stand/pole mount (Top Hat)Weight: 15Kg Each Dimensions: 440(W) 675(H) 370(D)