KENWOOD's KFC-S1666 2 way 6” speaker If you want to replace your factory speakers with a discreet installation, the KENWOOD new S series speakers are ideal for due to their ease of installation with wide range high quality sound which we call “stage sounding”. • Peak input power 300W • RMS input power 30W • Size 16cm 2 Way • Tweeter Design Balanced Dome • Tweeter Magnet composition Neodymium • Nominal Impedance 4ohms • Frequency Response 40Hz – 22kHz • Sensitivity 90 dB • Mounting Depth 43.2 mm