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12-inch weather treated woofer

TFR™ (Turbulent Flow Reduction) port provides optimal resonant tuning and high velocity air flow

Maximum peak SPL 121 dB

Suggested filter points: 32 Hz high-pass, 24 dB/octave Butterworth; 100 Hz low-pass, 24 dB/octave Butterworth

Included YMS12 yoke mount maximizes boundary plane coupling while reducing vibration transmission

Optional M10 Kit-C for additional installation versatility

Lightweight ABS enclosures 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)

Complete EASE, CF2, CAD, and BIM information available online


  • System Details AD-S112sw
    Effective frequency range1 30 - 135 Hz
    Rated noise power / voltage2 300 watts / 50 volts (rms)
    Broadband Sensitivity3 90 dB SPL
    Maximum continuous SPL4 115 dB
    Maximum peak SPL4 121 dB
    Rated impedance 8 ohms
    Recommended amplifier power 
    (loudspeaker "program" power)
    600 watts
    Transformer taps n/a
    HF transducer -
    LF transducer 12-inch weather resistant paper cone woofer,
    2.5-inch / 64mm voice coil
    Input connector type Euroblock connector with parallel output terminals
    Enclosure material Painted ABS polymer
    Grille material Powder coated aluminum
    Yoke material Powder coated galvanized steel (included)
    Enclosure Details
    Ingress protection IP-54
    Operating environment Designed for indoor and outdoor use
    Testing The AD Series loudspeakers qualified for outdoor use using
    the following tests:
    • Salt fog: MIL-STD-810G Method 509.5 for 100 hrs.
    • 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° & 50° C
    Product Dimensions
    (HWD) inches
    23.4 x 13.9 x 12.7
    Product Dimensions 
    (HWD) mm
    594 x 354 x 323 
    Net weight 29 lb / 13.2 kg
    Shipping weight 43.1 lb / 19.6 kg
    Shipping dimensions 27.5-inch x 21.75-inch x 18.5-inch (698 x 552 x 470 mm)
    Included accessories YMS12 yoke mounting system, Euroblock connector,
    input panel cover
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