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SR 110B

QSC extends its commitment to the cinema market with the introduction of the SR-110B Cinema Surround Loudspeaker. As a member of QSC's DCS Digital Cinema Speaker Series, the SR-110B offers high-power handling, excellent sensitivity, and extended bass response in a very compact enclosure. 

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  • Parallel outputs for feeding additional units
  • 95° horizontal dispersion
  • QuickMount bracket for fast, easy and secure installation
  • High-power handling capability and rugged plywood enclosure optimized for digital soundtrack reproduction
  • THX Approved.


Frequency Range 1
(-6 dB, Half space)
(-10 dB, Half space)

50 Hz - 20 kHz
42 Hz - 20 kHz
Nominal Coverage95° horizontal x 85° vertical 
(averaged from 1 kHz to 10 kHz, -6 dB)
Directivity Index7.5 dB
Maximum Output 2
Calculated Peak at rated power
Calculated Continuous
123 dB

117 dB
Impedance8 ohms nominal
Maximum Input Power 3
(100 hours of 6db crest factor
IEC 268 noise spectrum)
(2 hours of 6db crest factor pink
noise, 50 - 20,000 Hz, AES method)
Recommended Amplifier Power

150 watts RMS

200 watts RMS

400 watts RMS maximum into 8 ohms
Sensitivity 1 watt/1 meter, half space94 dB
Crossover Frequency2.6 kHz
Recommended ProcessingSubsonic filter at 50 Hz as provided by QSC DCA amplifiers
ConnectorsBarrier strip screw terminals accept up to #10 AWG stranded wire
Transducers10" long throw low frequency transducer
1" titanium diaphragm compression driver on a CD horn
EnclosurePlywood, baffle angle is 15° downward
Dimensions12" W x 23" H x 12.25" D (304 mm x 584 mm x 311 mm)
Weight31 lbs. (14kg)

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