B&O Beovox Penta ore Bang & Olufsen Beovox 6611

B&O Penta , B&O Beovox Penta, B&O Beovox 611, B&O 6611 are all the names you can give these speakers.
The Beovox are the passive speakers The active version is called B&O Beolab Penta
The Bang & Olufsen Beovox Penta where built between 1986 and 1992
Specs:
RMS power handling capacity 150 watts
Music power handling capacity 200 watts
Impedance 8 ohms
Frequency range 4+ -8 dB 40 - 20,000 Hz
Sensitivity 1 W 92 dB
Cabinet principle: Bass reflex
Woofer: 4 units 13 cm
Mid-range: 4 units 8 cm
Tweeter: 2.5 cm
Net volume: 32 litre