Simply the biggest, baddest tower on the market, the Cerwin-Vega XLS-215 features two cast frame high excursion 15-inch woofers and delivers earth-shaking bass down to 24 Hz. With guaranteed “eviction notice” performance, the XLS-215 also features a 6.5-inch mid-range speaker and a 1-inch soft dome tweeter coupled to a proprietary waveguide.1″ Soft Dome Tweeter with Ferro Fluid