Not much evolution for the SR 1000 Be that benefits from the 3rd “W” cone generation.
But its exclusive “Bi/Twin” structure with dual input permits to use the SR 1000 Be as well as in a 5.1 system (bipolar mode) as in a 7.1 (twin mono mode) without increasing
the number of effect loudspeakers in the Home Theatre room.

Type 2-way sealed bipole/twin mono effects speaker
Drivers Two 6 1/2" (16.5cm) "W" midbass
Two 1" (25mm) pure Beryllium inverted dome tweeters
Frequency response (+/-3dB) 72Hz - 40kHz
Low frequency point (-6dB) 50Hz
Sensitivity (2.83V/1m) 91 dB
Nominal impedance 8Ω
Minimum impedance 3Ω / 6Ω (bi/twin)
Crossover frequency 2400Hz
Recommended amplifier power 40 - 200W
Dimensions 15 3/8" x 17 x 7 1/2" (390 x 430 x 190 mm)
Net weight 27.7lb (12.6kg)