Dynacord FX20-PRO, Passive Bass Speaker, Loudspeaker configuration: KElectro-Voice EVX 180B 18"" woofer, Planar waveguide bass horn, Power handling: 600 Watt (RMS), Maximum level: 101 dB (1W / 1 m), Impedance: 8 Ohm, Frequency range: 30 - 150 Hz, Connectors: 2 x Neutrik SpeakOn NL4 In and Thru, 15 mm Birch plywood cabinet, 4 Casters, 6 Handles, Dimensions: 610 x 905 x 814 mm, Weight: 60.5 kg, Colour: Black