SoundQubed QP-TH25 42.62 EUR The product is unfortunately out of stock. :( Article Number: QP-TH25 Share Information Reviews OhmSingle 4 Ω RMS Power75W Peak Power150W Slope12dB/oct Sensitivity108db Overall Diameter3.68″ Mounting Depth1.6″ Cutout Diameter2.82″ Frequency Response4K-25k Hz.