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12-inch weather treated woofer; 1.4-inch compression driver

75° conical DMT coverage

Maximum peak SPL 126 dB

DMT™ (Directivity Matched Transition) ensures smooth, uniform frequency response over the coverage area

X-Mount™ system enables the loudspeaker to be easily installed and deployed at a variety of angles with no slippage over time

Optional Yoke mount and M10 Kit-C for additional installation versatility

Advanced voicing filter sets using QSC Intrinsic Correction™, available through either Q-SYS or CXD amplifier platform

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) or white (RAL 9010)

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


  • System Details AD-S12
    Effective frequency range1 52 Hz - 20 kHz
    Rated noise power / voltage2 300 watts / 50 volts (rms)
    Broadband Sensitivity3 95 dB SPL
    Coverage angle (-6 dB) 75° conical DMT
    Directivity factor (Q) 12
    Directivity Index 11 dB
    Maximum continuous SPL4 120 dB
    Maximum peak SPL4 126 dB
    Rated impedance 8 ohms
    Recommended amplifier power 
    (loudspeaker "program" power)
    600 watts
    Transformer taps n/a
    HF transducer 1-inch exit / 1.4-inch voice coil compression driver
    LF transducer 12-inch weather resistant paper cone woofer, 2.5-inch / 64 mm voice coil
    Input connector type Euroblock connector with parallel output terminals
    Enclosure material Painted ABS polymer
    Grille material Powder coated aluminum
    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 35.2 lb / 16 kg
    Shipping weight 46.3 lb / 21 kg
    Shipping dimensions 34.5-inch x 17.9-inch x 17.2-inch (765 x 455 x 437 mm)
    Included accessories X-Mount mounting system, Euroblock connector, Input panel cover
    Optional accessories YMS12 yoke mount, M10 Kit-C
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