KEF R800ds (the pair)

Construction: 3 -way bass reflex
Power of recommended amplification : 25 to 100 W

Sensitivity ( 2.83V / 1m ) : 85 dB
maximum sound level : 107 dB / 1W / 1m

2 coaxial speaker : Frequency MEDIUM: 12.5 cm in diameter and High Frequency : 2.5 cm in diameter ventilated dome and waveguides
magnetically shielded

Frequency response: 100 Hz - 28 kHz (+/- 3 dB)
Crossover frequencies : 300 Hz to 2.5 kHz
Input impedance: 8 ohms

Dimensions ( WxHxD) : 180 x 350 x 184 mm
Unit Weight: 7.4 kg