Design Two-way bass reflex
Drive units 130mm (5.25in.) aluminium Uni-Q 2 x 130mm (5.25in.) aluminium ABR
Frequency range Free Field (-6dB)  57Hz-50kHz
Frequency Response (±3dB) 57Hz-50kHz
Crossover Frequency 2.5kHz
Amplifi er requirements 10W-100W
Sensitivity (2.83V/1m) 87dB
Maximum Output 108dB
Nominal impedance 8Ω (min.3.4Ω) 
Weight 7.5kg (16.5 lbs)
Dimensions (H x W x D)  180 x 525 x 214mm
Dimensions (H x W x D) with Rubber Feet  184 x 525 x 214mm
Colour Black / White / Walnut