QSC 12" Surface Subwoofer
QSC 12" Surface Subwoofer

QSC 12" Surface Subwoofer

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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

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