2 Kenwood 8 Inch 300 Watt Powersports/Marine Boat Black Speakers KFC-2053MRB By admin in kenwood October 14, 2023 Water-resistant PP cone woofer. Peak power: 300 watts. Sensitivity: 86db / watts at 1m frequency response: 55 Hz – 20 kHz – RMS power: 100 watts.