The Q 3050i cabinet uses Point-to-Point (P2PTM) bracing techniques to reduce intrusive cabinet vibrations for a purer sound, Using a 22mm decoupled High Frequency Driver with wide surround creating a wide even dispersion of stereo HPE technology eliminates sympathetic resonance within the enclosures by equalising air pressure within the 3050i cabinet Conventional terminal panel cut-outs have been removed, giving greatly improved structural integrity to the enclosures and new low profile binding posts. Striking floorstanding Speakers with twin 165mm and 22mm precision drivers Enclosure Type: 2-way reflex, Bass Driver: 2 x 165 mm (6.5 in), Tweeter: 22 mm (0.9 in), Frequency Response (+3 dB, -6 dB): 44Hz ? 30kHz, Impedance: 6Ohms , Sensitivity (2.83 V@1 m): 91dB, Power Input: 50-165W, Cross-over Frequency: 2.5 kHz, Dimensions (WxHxD): 310x1020x310 mm, Weight: 17.8kg What?s in the box: 2 x 3050i Floorstanding Speakers, 2 x Speaker Grilles, 2 x Foam Bungs, 2 x Speaker Stabilisers, 4 x Fixing Screws, 8 x Speaker Spikes, 1 x User Manual, 1 x Handling Gloves.