MM. Er det BeoLab 4000 Mk1 eller Mk 2 du har.
Mine Mk 1- virker stadigt perfekt som bag højttaler.

2007 - Der kommer en ny version af BeoLab 4000 -
BeoLab 4000 MK II, drevet af ICEpower forstærker.

Teknisk Specification:
Power consumption Typical: 6W, stand-by: 0.5W
Power amplifier, bass 30W, Class D, ICEpower ®
Power amplifier, treble 30W, Class D, ICEpower ®
Longterm maximum output power 56W
Effective Frequency range 55 - 20,000 Hz
Sound pressure level 97dB IEC noise 3m/stereo/room
Crossover frequency 3,300 Hz
Input impedance 47kohm
Cabinet principle Bass reflex
Net volume, bass 4 litres
Magnetically shielded Yes
Woofer 114mm (4½"), 6ohm
Tweeter 19mm (3/4")
Bass equalization ABL (adaptive Bass Linearization)
Input sensitivity (Power Link and line)
Signal-to-noise ratio >84dBA
Switch off time (line) 3 minutes
Indicator LED for on (green) and off (red)
Operation Left - right - line switch
Protection Thermal protection of SMPS
Tweeter power protection
Dimensions W x H x D/Weight: 28 x 32 x 13 cm / 6 kg
Cabinet/cloth finish Silver/silver, black/ black, blue/black, dark grey/dark grey, red/black, yellow/yellow
Stopped June 2005: Green/green, red/red, blue/blue
Mains 6636 EU 230V
6637 GB 230V
6638 USA-CDN-TWN 120V
6639 J 100V