S4b

Specifications

Enclosure alignment:3-way acoustic suspension
Driver compliment:
DPC-Array:
28mm Beryllium
28mm(2) Textreme TPCD
Woofers: 180mm Textreme TPCD
Sensitivity (4pi): 85.4dB / 2.83v / 1.0m
Impedance:4Ω nominal / 3.2Ω min
Frequency Response (+/-1.5dB):100 – 20kHz Listening Window
Frequency Response (-10dB):36 – 37kHz
Typical in room bass extension:30Hz
Dimensions (HxWxD):420 x 240 x 300mm16.5 x 9.5 x 11.8″
Weight: 11.0 kg (24.2 lbs.)
Recommended Amplifier Power:50 – 300W RMS
SPL capability (100-20kHz):111dB peak <2% – 2nd, 3rd Harmonics
Certification:THX Dominus
Available finishes:Piano black, Gloss white