the box pro MCX4, Passive multi-functional coaxial speaker, Components: 4"" Speaker, Impedance: 16 Ohm, Frequency response: 120 - 20,000 Hz, Rated power: 40 W (RMS), Coverage pattern: 90° × 60° (H x V), Sensitivity (1 W / 1 m): 102 dB, 1 Speaker Twist input, 1 Speaker Twist parallel output, Dimensions (H x W x D): 170 x 120 x 120 mm, Weight: 2.2 kg, Colour: Black, Includes a wall mount and bracket for standing in an upright position