The Kenwood KFC-S1656 is a pair of 16 cm dual cone speakers with a maximum power of 300 watts at 4 ohms impedance.These speakers are part of the Kenwood Stage Series. If you want to replace your factory speakers with a discreet installation, the Stage (S) Series are ideal for their ease of installation and wide range high quality sound which Kenwood calls #34;stage sounding #34;. Product Highlights PEAK INPUT POWER 300W RMS INPUT POWER 30W SIZE 16CM DUAL CONE WOOFER MAGNET COMPOSITION FERRITEΦ80 X T10 NOMINAL IMPEDANCE 4OHMS FREQUENCY RESPONSE 40HZ - 18KHZ SENSITIVITY (DB/W AT 1M) 90DB MOUNTING DEPTH 43MM