Model Number: CM12V Brand Name: SHIYA Key Specifications/Special Features: This comprehensive speaker lineup includes three models for front-of-house use, three models for monitoring, and three sub-woofers. The front-of-house speakers are available with 12 inch, 15 inch, or dual 15 inch woofers, giving you a range of choices to suit your needs. For monitor speakers you have a choice of 10 inch, 12 inch, or 15 inch models. The subwoofer lineup has also been expanded and enhanced: in addition to a new 15 inch model, the previous twin-driver model (15 inch x 2) has been upgraded to an 18 inch x 2 configuration for even more commanding lows. MODELNO.CM12VCM15V Powerrating 350W/700W 500W/1000W Dimensios(DxWxH) 339*628*410mm 343*715*339mm NetWeight(KG) 21.8kg;48.1lbs 28.8kg;63.5lbs