Tech Specs - Type: 2-way bass-reflex centre loudspeaker - Speaker drivers: 2 x 61/2" (16.5cm) Slatefiber Midbass, 1" (25mm) Al/Mg inverted dome TAM tweeter - Sensitivity (2.83V/1m): 91.5dB - Frequency response (+/-3dB): 58Hz - 30kHz - Low frequency point (-6dB): 50Hz - Nominal impedance: 8 Ω - Minimum impedance: 3.6 Ω - Recommended amplifier power: 40 - 200W - Crossover frequency: 2,700Hz - Dimensions (WxDxH) 211/8x101/4x81/2" (53.7x25.9x21.6cm) - Net weight (with grille): 22lbs (10kg) - Packaging dimensions (WxDxH):243/4x15x113/4" (63x38x30cm) - Net weight (with packaging): 27.6lbs (12.5kg)