Design	Three-way bass reflex, single apparent source driver configuration
Drive Units	Uni-Q driver array:  MF: 125mm (5") Li-Mg-Al/ LCP hybrid cone  HF: 25mm (1") vented aluminium dome  Bass units:  LF: 4 x 165 (6.5" with force cancelling
Frequency Range	34Hz ~ 45kHz (-6dB) free field 25Hz (-6dB) typical in room bass response
Frequency Response	40Hz ~ 35kHz (±3dB)
Crossover Frequencies	320Hz, 2.4kHz
Maximum Output	116dB (peak sound pressure level at 1m with pink noise)
Amplifier Requirements	50 ~ 400W
Sensitivity	90dB (2.83V/1m)
Harmonic Distortion	2nd & 3rd harmonics (90dB, 1m) <0.5% 40Hz ~ 100kHz  <0.2% 200Hz ~ 10kHz
Impedence	4Ω (3.2Ω min.)
Dimensions	1461 x 338 x 475mm / 57.5 x 13.3 x 18.7" (with plinth H x W x D)
Weight	35.3kg (77.8lbs)