Summary: Number of channels: 2; Admissible power: 70 W; Maximum power: 140 W; Impedance: 4 Ohm; Frequency response (min): 60 Hz; Frequency response (max): 28 kHz; Sensitivity (for 1W at 1m): 91.5 dB; Speaker diameter: 16.5 cm; Type of channels: Separate channels; ...