2.5 way; 2 x 5.25" (133mm) Polycellulose Low-Frequency Woofer; New High Definition Imaging (HDI) Waveguide; 1” (25mm) Aluminum Dome Tweeter; Rec Amp Power20 – 200W; Freq Resp 44Hz – 40kHz; Sensitivity89dB @ 1M, 2.83V; Nominal Impedance6 Ohms; Crossover Freq 1.8kHz, 2.8kHz; Dimensions (W x D x H)190 x 255 x 930mm; Weight 14.34kg