Kenwood KL 777 is a 3-Way, 4-Speaker System with a peak input power capacity of 200 watts. It has a nominal input power of 100 watts and a sensitivity of 96 dB/W at 1m. The frequency response is 20 Hz to 21,000 Hz, with crossover frequencies at 2,000 Hz and 8,000 Hz. The impedance is 8 ohms. Additional features include a 3 step Acoustics Level Control for adjusting the high-range and mid-range level to suit your individual sound requirement or match your room acoustics.