The OptimuSound OS-12 is a flagship 3-way floorstanding speaker featuring a 12-inch subwoofer, dual 6.5-inch mid-woofers, and a 1-inch beryllium dome tweeter. With 400W peak handling and a frequency range of 25Hz to 25kHz, it delivers concert-level sound at home. The 25mm premium MDF cabinet with audiophile-grade crossover components produces zero coloration for the most accurate listening experience available.