3' Co-Polymer Woofer 3/4' Silk-Dome Tweeter Class-AB Amplifiers: 2 x 10W (RMS) Frequency Response: 50 Hz to 20 kHz Speaker Pair: One Active & One Passive Bass Boost: +5 dB at 150 Hz Headphone Output: Stereo 1/8' Subwoofer Output: Stereo 1/8' Includes Speaker Cable