Three-way 12-inch speaker can be used as the universal speaker. It used with the best quality speaker driver, which suitable for the high requirement project. Ladder-shaped design, it is used in stage, conference room. Speaker with 4ohms impedance and 100dB sensitivity. 40Hz to 20kHz frequency response. 45° horizontal symmetry and 90° vertical symmetry. 18mm high density board box with black gray spray paint surface.