Type: 2-Way Reflex Slot-LoadedHF Driver: 28mm Custom AE design fabric domeLF/MF Driver: 110mm Spun, hard-anodised aluminium coneCabinet: Braced 18mm MDF CarcassFrequency Response: 48Hz - 32kHz +/- 3dBPower Handling: 150 Watts RMSAmplifier Compatibility: 25-150 Watts into 8 Ohms (Recommended)Nominal Impedence: 8 Ohms (6 Ohm minimum)Sensitivity: 87dB for 1 Watt at 1 MetreDimensions: 300 x 185 x 250mm(HxWxD)Weight: 5.5 kg (Single speaker, unpacked)Finishes: High gloss piano black or white.