the box Passive 18" Subwoofer with Built-In Crossover

Passive 18" Subwoofer with Built-In Crossover Power rating: 425 W RMS / 1700 W peak Impedance: 8 Ohm Sensitivity: 100 dB (1 W / 1 m / 80 Hz) Frequency range: 40 - 250 Hz (-3 dB) Input and output: Speaker Twist Top out with low cut M20 stand mount Dimensions: 600 x 650 x 650 mm Weight: 41 kg Suitable cover: Article no. 399625 (not included) 30 30-Day Money-Back Guarantee 3 3-Year Thomann Warranty available since October 2014 Item number 339669 sales unit 1 piece(s) Design Front Loaded Flyable No Pole Mount Yes Wheels No Woofer size 1x 18"