Dimensions（ W x D x H）：170mm x 250mm x 310mm
Construction：19mm MDF Rear ported 2 way bass reflex with 2.5kHz X-over via a 6 element 2 Pole filter
Nominal impedance：6 Ohms – with a minimum of 3.9 Ohms
Frequency range：53Hz-20kHz +/- 6dB in room on axis at 1M
Recommended amplifiers：25-75W on unclipped program into 8 Ohms
Sensitivity：87dB – 1W (2.83V RMS) at 1 metre