LOUDSPEAKER FULLRANGE 8 OHM 4" Frequency Response Max 13kHz Frequency Response Min 100Hz Impedance 8ohm Power Rating RMS 20W Resonant Frequency 160Hz SVHC No SVHC (15 Jan 2018) Sensitivity (dB) 90dB Transducer Function Speaker Cone Size 4" (100mm) External Depth 36mm External Height 102mm External Width 102mm Weight 160g