Artsound ROCK BR. Tweeter size: 12.7 mm, Woofer size: 165.1 mm. RMS rated power: 65 W, Peak Music Power Output (PMPO): 130 W, Frequency range: 50 - 20000 Hz. Weight: 5 kg. Type: Floor-standing speakers, Dimensions (WxDxH): 230 x 270 x 320 mm, Audio output channels: 2.0