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6.5 inch weather treated woofer; 1 inch silk dome tweeter

105° conical DMT coverage

60 watt low-saturation and low-loss 70/100V transformers with 8Ω bypass

Maximum peak SPL 116 dB (8 ohm bypass)

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

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-S6T
    Effective frequency range1 60 Hz - 20 kHz
    Rated noise power / voltage2 150 watts / 35 volts (rms)
    Broadband sensitivity3 89 dB SPL
    Coverage angle (-6 dB) 105° conical DMT
    Directivity factor (Q) 5
    Directivity Index 7 dB
    Maximum continuous SPL4 110 dB
    Maximum peak SPL4 116 dB
    Rated impedance 8 ohms 
    Recommended amplifier power 
    (loudspeaker "program" power)
    300 watts
    Transformer taps 70 V: 60, 30, 15, 7.5 W and 8Ω bypass

    100V: 60, 30, 15 W and 8Ω bypass
    HF transducer 1 inch silk dome tweeter / 1 inch voice coil, horn loaded
    LF transducer 6.5 inch weather resistant paper cone woofer

    1.5 inch / 38 mm voice coil
    Input connector type Euroblock connector with parallel output terminals 
    Enclosure material Painted ABS polymer 
    Grille material Powder coated aluminum 
    X-Mount 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° and 50° C
    Net weight 13.6 lb / 6.2 kg
    Product dimensions 
    (HWD) inches
    14.4 × 8.5 × 8.5
    Product dimensions 
    (HWD) mm
    365 × 215 × 215
    Shipping weight 33.4 lb / 15.2 kg (pair packed)
    Shipping dimensions 
    (HWD) inches
    20 × 12 × 23 (pair packed)
    Shipping dimensions
    (HWD) mm
    510 × 305 × 585 (pair packed)
    Included accessories X-Mount mounting system, Euroblock connector,
    input panel cover
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