12% OFF Total PURCHASE Over $249 Promo Code: SAVE12 Details

QSC AD-S112sw AcousticDesign 12" Weather Treated Woofer Passive Subwoofer

*Roll over image to zoom

*Click image to zoom

Orders received by 3PM ET ship same business day.
In-stock orders only.
Placed before 3PM EST
Mon-Fri (excluding Holidays).
Some exclusions apply.
Item#: AD-S112-SW
UPC: 684284063588
Usually ships out in 1-3 days
Check In-Store Availability

I DJ NOW - Babylon, NY
Mon - Sat 10am - 8pm
Sun 11am - 5:00pm

I DJ NOW - Queens, NY
Mon - Fri 10am - 9pm
Sat 10am - 7pm
Sun 12 noon - 6pm

Shipping Estimate Map
Shipping Estimate Map
Financing Options Available

Financing Options Available:

Simply put, our financing plans allow you to get the gear you need now, at the price you want, with the time to pay, on your terms.

See How Easy It Is To Apply
Free Standard Shipping

Free Shipping Details:

Free Shipping on most orders with minimum purchase of $50 or more for a limited time. Ground shipments only in the lower 48 contiguous United States. Excludes oversized or overweight items such as oversized speakers, oversized cases, trussing & staging. Other exclusions include some fluids, some parts & special orders. Any questions, please call 1-800-355-7746 during normal business hours. Offer subject to change or termination without notice. Not responsible for typographical errors.



The lowest price is not always the best price. When you shop with us, you can always expect to get our BestPrice+Plus guaranteed.

Learn More
Seen It For Less?

2-Yr Extended Consumer Priority Service:

Protect your investment with a warranty from Consumer Priority Service. Buying a Consumer Priority Service extended protection service plan from I DJ NOW, not only means you’re getting the highest level of customer service and peace of mind, but it also means you can rest assured in the event your product does need repairing. The repair center technicians are factory trained and authorized to repair your product and only use state of the art testing equipment needed to properly diagnose and repair your product. Why worry about not having a warranty long enough to cover the majority of use? Simply purchase this affordable and sensible extended warranty now and be worry free!

Questions? Contact Us.

About This Product

QSC AD-S112sw AcousticDesign 12" Weather Treated Woofer Passive Subwoofer

12" Surface subwoofer, includes mounting yoke and weather input cup in black.

  • 12” 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
QSC AD-S112sw Specifications
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” weather resistant paper cone woofer,
2.5” / 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” x 21.75” x 18.5” (698 x 552 x 470 mm)
Included accessories YMS12 yoke mounting system, Euroblock connector,
input panel cover
The AD-S112sw Box Includes:
(1) QSC AD-S112sw AcousticDesign 12" Weather Treated Woofer Passive Subwoofer
(1) YMS12 Yoke mounting system
(1) Euroblock connector
(1) Input panel cover