Power Handling: 3400 W AES Nominal Impedance: 4 Ω Bandwidth: 40 Hz - 100 Hz ±6 dB Efficiency: 97 dB 1W/1m Crossover Points: Hi Pass 30 Hz Butterworh 24 dB/oct - Low Pass 100HZ Butterworh 24 dB/oct Maximum Output: 134 dB cont, 140 dB peak Driver Configuration: 2 x 18” LF Directivity: Cardioide Connectors:2 x 4-pole speakON™ NL4 Enclosure: 18 mm Baltic birch wood Finish: Black polyurethane painting (2 layers) Dimensions: H740 X D810 X W720 mm ; 70 kg