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Used QSC AD-S10T surface mount loudspeakers from the AcousticDesign series are 10-inch two-way installed sound cabinets built for foreground and background sound reinforcement applications where performance, coverage and aesthetics matter. Available second-hand, these units offer a practical route into a proven installed sound solution. Scroll down to browse current used AD-S10T listings.
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QSC AD-S10T specifications
| Brand | QSC |
| Segment | Audio |
About the QSC AD-S10T
The QSC AD-S10T is a surface mount 70/100V, 10-inch two-way loudspeaker from the AcousticDesign series, designed for a wide variety of foreground and background sound reinforcement applications. It features a weather-treated paper cone woofer on a 2.5-inch voice coil, paired with a 1-inch exit, 1.4-inch compression driver. DMT (Directivity Matched Transition) technology delivers consistent 90-degree axisymmetric coverage, while the patent-pending X-Mount system enables installation at multiple angles without slipping over time. Low-saturation 70/100V transformers include an 8-ohm bypass, Euroblock connectors allow pre-wiring, and the lightweight ABS enclosure is available in black or white.
QSC AD-S10T — buyer FAQs
What is the QSC AD-S10T and what is it designed for?
The QSC AD-S10T is a surface mount, 10-inch two-way loudspeaker from the AcousticDesign series, built for foreground and background sound reinforcement in installed sound environments. It supports 70/100V operation with an 8-ohm bypass and delivers consistent 90-degree axisymmetric coverage through QSC's DMT (Directivity Matched Transition) technology, making it suited to applications where even coverage and aesthetics are both priorities.
Who makes the AD-S10T and where does it sit in the QSC range?
QSC is an American audio, video and control manufacturer founded in 1968 and headquartered in Costa Mesa, California, known for professional loudspeakers, power amplifiers and the Q-SYS platform. The AD-S10T sits within the AcousticDesign series, which targets integrators requiring a premium installed sound solution combining performance, consistent coverage and ease of installation.
How does the AD-S10T achieve consistent coverage across its listening area?
Consistent coverage comes from DMT (Directivity Matched Transition), a QSC innovation that matches the directivity patterns of the 10-inch woofer and the 1-inch exit compression driver. The result is a smooth, uniform frequency response across a 90-degree axisymmetric (conical) coverage area, avoiding the uneven handover between drivers common in two-way designs.
How is the QSC AD-S10T typically installed?
The AD-S10T uses QSC's patent-pending X-Mount system, which allows the loudspeaker to be positioned at a variety of angles without slipping over time. An optional yoke mount and M10 eyebolt kit provide additional deployment options. Euroblock connectors allow the system wiring to be pre-run before the loudspeaker is fitted, which simplifies installation in fixed-install environments.
What should I check when buying a used QSC AD-S10T?
On a used AD-S10T, confirm the ABS enclosure is undamaged and that the X-Mount hardware is intact, since the mounting system is integral to the install. Check the Euroblock connections and the 70/100V transformer functionality, including the 8-ohm bypass. Units are available in black or white, so verify the finish matches your install. Used listings on this page carry a 21-day warranty covering major functional faults; the buying guide at 10kused.com/used-av-equipment-guide/ has full detail.
