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The black AcousticDesign Series QSC AD-S12 is a 12" surface-mount 8-ohm loudspeaker supplied with the award-winning X-Mount system, making it suitable for use in a variety of foreground and background music applications, whether installed in horizontal, vertical, wall, or ceiling deployments.

Outfitted with a 12" weather-treated woofer and a 1" exit compression driver with a DMT waveguide, the AD-S12 offers even 75° conical coverage and improved off-axis response while providing a frequency range of 52 Hz to 20 kHz (-10 dB). The speaker is capable of handling 300W RMS and producing a peak maximum SPL of 126 dB.

The AD-S12 utilizes a 4-pole Euroblock connector under a sealed input cover for easy wiring and protection from moisture. Featuring a rugged ABS enclosure and a powder coated aluminum grille, the AD-S12 boasts dust and splash resistance beyond IP54 ratings for worry-free operation indoors or outside.

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Key Features

  • 12" Woofer & 1" Exit Compression Driver
  • 300W RMS Power Handling
  • 75° Conical Coverage
  • 126 dB Peak Maximum SPL
  • 52 Hz to 20 kHz Frequency Range
  • 8-Ohm Impedance
  • Euroblock Connector for Easy Wiring
  • Includes Award-Winning X-Mount System

Technical Specification


Active or Passive Passive
Number of Included Speakers 1
Speaker Configuration 2-Way
Power Handling For 2 Hours / At Low-Z:
300 W RMS
Recommended Amplifier Power 600 W
Impedance 8 Ohms
Enclosure Type Sealed
Shielded No
HF Driver 1 x 1" / 2.54 cm Compression Driver
HF Voice Coil 1.4" / 3.56 cm
LF Driver 1 x 12" / 30.48 cm Paper Woofer
LF Voice Coil 2.5" / 6.35 cm
Frequency Range 52 Hz to 20 kHz -10 dB
Maximum SPL 120 dB (Continuous)
126 dB (Peak)
Sensitivity 95 dB SPL
Coverage Angle 75° (Conical)
Directivity 12 (Directivity/Q Factor)
11 dB (Directivity Index)
Maximum Input Voltage 50 V RMS
I/O 1 x Block 4-Pole Speaker Input/Thru (Removable)
Water / Weather Resistance Dust Resistant, Humidity Resistant, Water Resistant
IP Rating IP54
Operating Temperature -4 to 122°F / -20 to 50°C
Color Black
Mounting 1 x Bracket Point (Rear)
2 x 
M10 Suspension (Bottom)
Construction Material ABS, Aluminum Grille, Polymer
Dimensions 23.4 x 13.9 x 12.7" / 59.44 x 35.31 x 32.26 cm
Weight 35.2 lb / 16 kg
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