Principle: 2-way ported reflex HF driver: Ring radiator with 22mm aluminum-magnesium diaphragm and broad cloth edge. Ferrofluid-cooled. LF driver: 15cm LMF-driver with ceramic-coated metal cone. Extra flat profile for good phase linearity. Phase plug for optimized cooling and acoustics. Impedance: 8 ohms Sensitivity: 86dB/1m/2,85V Frequency response: 60Hz – 33kHz (-3dB), 100Hz – 30kHz (+/- 2dB) Power handling: 120W Crossover frequency: 2,7kHz Characteristic: 12 - 24 dB Transitional filter, DC module Dimensions: 180 x 330 x 240 mm (WxHxD) weight: 5,3kg