Surface-Mounted Subwoofer

The QSC AcousticDesign AD-S112sw is a low impedance, surface mounted, 12 inch direct radiating subwoofer. An ideal companion to AcousticDesign full range models, the AD-S112sw allows impressive low frequency expression within a complimenting form factor, suitable of demanding foreground and background sound reinforcement applications.

AcousticDesign series offers integrators a premium quality installed sound solution where performance, coverage, and aesthetics are paramount. Combined with unprecedented ease-of-installation and high weather resistance, the AcousticDesign series provides integrators a versatile and confident install solution.

The AD-S112sw features a high power 12 inch weather treated paper cone woofer on a 2.5 inch voice coil. TFR (Turbulent Flow Reduction) port design tunes the enclosure resonance and is optimized for high velocity air flow, resulting in higher output pressures before turbulence or chuffing of the port.

Taking full advantage of boundary plane coupling and to reduce vibration transmission, the AD-S112sw ships with an included yoke mount assembly. Additional M10 fittings on the enclosure allow suspended or flown deployments using the optional accessory M10 KIT-C.

With rugged ABS enclosures, sealed input panel covers, and powder-coated aluminum grilles for weather resistance, the AcousticDesign surface mounted series exceed IEC60529 IP-54 ratings for dust and splash resistance.

To further enhance performance and speed of install with optimum result, advanced voicing filter sets using QSC Intrinsic Correction techniques are obtainable using Q-Sys networked audio processing platforms, including CXD amplifiers for a complete QSC systems solution.

The AcousticDesign series feature a stylish appearance free of obtrusive logo adornments for aesthetically sensitive installations. Complimenting adjacent product families, the AD-S112sw is available in QSC standard black (RAL 9011) and may be painted to match any decor.

Key Features

  • TFR (Turbulent Flow Reduction) port provides optimal resonant tuning and high velocity air flow
  • Included yoke bracket and M10 fittings for optional suspension
  • Advanced voicing filter sets using QSC Intrinsic Correction available through either Q-Sys processing or CXD amplifier platforms
  • Lightweight ABS enclosure offer long-term durability and lasting good looks
  • Sealed input panel cover and powder coated aluminum grilles for added weather resistance
  • Meets IEC60529 IP-54 for dust and splash resistance
  • Available in black (RAL 9011)

Technical Specifications

Effective Frequency Range
30 – 135 Hz
Rated Noise Power / Voltage
300 watts / 50 volts (rms)
Broad-Band Sensitivity
90 dB SPL
Maximum Continuous SPL
115 dB
Maximum Peak SPL
121 dB
Rated Impedance
8 ohms
Recommended Amplifier
600 watts
LF Transducer
12 inch weather resistant paper cone woofer,
2.5 inch / 64 mm voice coil
Input Connector Type
Euroblock connector with parallel output
Enclosure Material
Painted ABS polymer
Grille Material
Powder coated aluminum
Yoke Material
Powder coated galvanized steel
Ingress Protection
Operating Environment
Designed for indoor and outdoor use
The AD Series loudspeakers qualified for outdoor use using the following tests:
Salt fog: MIL-STD-810G Method 509.5 for 100 hours.
Humidity: MIL-STD-810G Method 507.5,
Natural cycle B2, cyclic high RH for 7 days
High and low temperature: tested to QSC internal standards between -20 deg and 50 deg C
Operating Temperature
-20 to 50 deg C / -4 to 122 deg F
Net Weight
29 lb / 13.2 kg
Product Dimensions
23.4 x 13.9 x 12.7 inches (594 x 354 x 323 mm)
Shipping Weight
43.1 lb / 19.6 kg
Shipping Dimensions
27.5 x 21.75 x 18.5 inches (698 x 552 x 470 mm)
Included Accessories
Yoke mounting system, euroblock connector, input panel cove


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