Extremely versatile, W3 is a unique, innovative full-range system, utilising advanced Martin Audio engineering to achieve true three-way full frequency performance from an enclosure only 28" high. It delivers the clarity required for speech and music applications as well as the power, warmth and depth to generate an exciting live sound or playback experience in nightclubs. features: Arrayable compact trapezoid enclosure Bi-amplified three-way system Very high SPL output capability Compact bi-amplified three-way trapezoid 1x15"/3" LF driver, 1 x 6.5' MF driver, 1 x 1' HF driver Frequency response: 45Hz-18kHz?dB Rated Power: LF:400W, 1600W peak MF+HF: 150W, 600W peak Impedance: LF:8 ohms; MF+HF: 16 ohms Sensitivity: LF: 108dB, MF+HF:104dB, Max@1M: 125dB, 131dB peak Weight: 31. 5kg