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QSC AD-S112sw

QSC AD-S112sw

The black AcousticDesign Series QSC AD-S112sw is a 12" surface-mount 8-ohm subwoofer supplied with a yoke mounting system, making it suitable for low-frequency reinforcement in a variety of foreground and background music applications, a well-matched companion for QSC's AcousticDesign full-range loudspeakers.

Outfitted with a 12" weather-treated woofer on a 2.5" voice coil, the AD-S112sw direct-radiating subwoofer offers 300W RMS power handling, a frequency range of 30 to 135 Hz (-10 dB), and a peak maximum SPL of 121 dB. Its TFR (Turbulent Flow Reduction) port optimizes resonance tuning and yields higher output SPLs before turbulence.

The AD-S112sw utilizes a 4-pole Euroblock connector under a sealed input cover for easy wiring and protection from moisture. Featuring a rugged ABS enclosure and a powder coated aluminum grille, the AD-S112sw boasts dust and splash resistance beyond IP54 ratings for worry-free operation indoors or outside.

More Information

Key Features

  • 12" Direct-Radiating Subwoofer
  • 300W RMS Power Handling
  • TFR Port Optimizes Tuning and Airflow
  • 121 dB Peak Maximum SPL
  • 30 to 135 Hz Frequency Range
  • 8-Ohm Impedance
  • Euroblock Connector for Easy Wiring
  • Includes Yoke Mounting System

Technical Specification


Active or Passive Passive
Number of Included Speakers 1
Speaker Configuration Subwoofer
Power Handling For 2 Hours / At Low-Z:
300 W RMS
Recommended Amplifier Power 600 W
Impedance 8 Ohms
Enclosure Type Bass-Reflex
Shielded No
LF Driver 1 x 12" / 30.48 cm Paper Woofer
LF Voice Coil 2.5" / 6.35 cm
Frequency Range 30 Hz to 135 Hz -10 dB
Maximum SPL 115 dB (Continuous)
121 dB (Peak)
Sensitivity 90 dB SPL
Recommended High-Pass Filter 32 Hz, 24 dB/Octave
100 Hz, 24 dB/Octave
Maximum Input Voltage 50 V RMS
I/O 1 x Block 4-Pole Speaker Input/Thru (Removable)
Water / Weather Resistance Dust Resistant, Humidity Resistant, Water Resistant
IP Rating IP54
Operating Temperature -4 to 122°F / -20 to 50°C
Color Black
Mounting 1 x Bracket Point (Top)
1 x 
Bracket Point (Bottom)
2 x 
M10 Suspension (Bottom)
Construction Material ABS, Aluminum Grille, Polymer
Dimensions 23.4 x 13.9 x 12.7" / 59.44 x 35.31 x 32.26 cm
Weight 29 lb / 13.2 kg
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