4 Kenwood KFC-1653MRW 6.5 6-1/2 Inch 2-Way Marine Boat Radio Speaker 2 Pairs By admin in kenwood September 19, 2024 2-way 6-1/2 marine speakers with grilles (pair). Injection-molded polypropylene cone woofer with rubber surround. 1 balanced-dome tweeter built into grille. UV-resistant fixed grille design. Power range: 2-50 watts RMS (150 watts peak power). Frequency response: 60-20,000 Hz.