Acoustical data 
- Sensitivity : 89dB/1W @ 1m 
- Frequency bandwidth : (-3dB / -10dB) 85Hz – 20kHz / 50Hz – 20kHz 
- Horizontal opening angle : ±180° (1kHz) / ±80° (4kHz) 
- Directivity index (DI) : 1kHz / 4kHz 1.3 / 4.9 
- Woofer : 165mm (6.5 in) 
- Tweeter : 25mm (1 in) 
- Crossover : 3.5kHz 2nd order 
Electrical data 
- Continous power : 40W 
- Peak power : 120W 
- Power taps 70V/100V  : 2,5W 5W 10W 20W / 5W 10W 20W 40W 
- Nominal impedance : 8Ω 
- Connectors : Push spring terminals 
Mechanical data 
- Visible diameter : 280mm (11.02 in) 
- Hole cutout diameter : 248mm (9.76 in) 
- Min / Max ceiling thickness : 9mm (0.36 in) / 37 mm (1.45 in) 
- Net / shipping weight : 3.5kg / 4.4kg 
- Environment : IP23 
- Colors : white