The QSC AD-S10T-BK AcousticDesign Series 10-Inch 2-Way 250W Surface-Mount Loudspeaker (Single, Black) is a transformer-equipped, weather-resistant loudspeaker designed for foreground and background music applications. Featuring a 10-inch woofer, a 1-inch exit compression driver, and QSC's DMT waveguide technology, it delivers consistent 90° conical coverage for commercial audio installations.
The included X-Mount system supports flexible horizontal, vertical, wall, and ceiling installations with secure positioning. The integrated low-loss 70/100V transformer also provides an 8-ohm bypass option for versatile audio system integration.
With a frequency range of 50 Hz to 19 kHz (-10 dB), 250W RMS power handling, and a peak maximum SPL of 122 dB, the AD-S10T-BK is suitable for a variety of demanding commercial audio environments.
A sealed input cover protects the 4-pole Euroblock connector, while the rugged ABS enclosure and powder-coated aluminum grille provide dust and splash resistance beyond IP54 ratings.
QSC AD-S10T-BK Features
- 10-inch weather-treated paper cone woofer with a 2.5-inch voice coil and a 1-inch exit compression driver.
- 250W RMS power handling and a peak maximum SPL of 122 dB.
- 90° conical coverage using QSC Directivity Matched Transition (DMT) technology for consistent sound distribution.
- Low-loss 70V/100V transformer with selectable power taps and an 8-ohm bypass option.
- Included X-Mount system supports horizontal, vertical, wall, and ceiling installations.
- Rugged black ABS enclosure and powder-coated aluminum grille designed for commercial environments.
- Dust and splash resistance exceeding IP54 ratings, with a weather-protected rotary tap selector.
- Removable 4-pole Euroblock input/thru connector under a sealed input cover.

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Knowledgeable Support for QSC Products
HDTV Supply has QSC Level 1 certified expertise. Our team has completed QSC Level 1 Training, demonstrating foundational knowledge of the QSC platform, including system design, hardware and software, programming, and troubleshooting.
This training helps us provide knowledgeable product guidance when customers are selecting and deploying Q-SYS solutions. When you purchase Q-SYS products from HDTV Supply, you are working with a team that understands the Q-SYS platform and can help you make informed product and system decisions.
Order the QSC AD-S10T-BK from HDTV Supply
Enhance your commercial audio installation with the QSC AD-S10T-BK AcousticDesign Series loudspeaker. Contact HDTV Supply for product assistance, availability, and ordering information.
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QSC AD-S10T-BK Specifications
| General | |
|---|---|
| Product Type | Passive surface-mount loudspeaker |
| Series | AcousticDesign |
| Speaker Configuration | 2-way |
| Number of Speakers | 1 |
| Enclosure Type | Sealed |
| Power and Transformer | |
| Power Handling | 250W RMS (low impedance, 2 hours) |
| Recommended Amplifier Power | 500W |
| Transformer Wattage | 100W |
| 70V Transformer Taps | 100W, 50W, 25W, 12.5W, or 8-ohm bypass |
| 100V Transformer Taps | 100W, 50W, 25W, or 8-ohm bypass |
| Impedance | 8 ohms with transformer bypassed |
| Drivers | |
| Low-Frequency Driver | 1 × 10-inch (25.4 cm) paper woofer |
| LF Voice Coil | 2.5 inches (6.35 cm) |
| High-Frequency Driver | 1 × 1-inch (2.54 cm) exit compression driver |
| HF Voice Coil | 1.4 inches (3.56 cm) |
| Audio Performance | |
| Frequency Range | 50 Hz–19 kHz (-10 dB) |
| Maximum SPL, Continuous | 116 dB |
| Maximum SPL, Peak | 122 dB |
| Sensitivity | 92 dB SPL |
| Coverage Angle | 90° conical |
| Directivity Factor (Q) | 10 |
| Directivity Index | 10 dB |
| Connectivity | |
| Input/Thru Connector | 1 × removable 4-pole Euroblock speaker input/thru |
| Physical and Environmental | |
| Color | Black |
| Environmental Resistance | Dust, humidity, and water resistance (IP54 stated in supplied specifications) |
| Operating Temperature | -4°F to 122°F (-20°C to 50°C) |
| Mounting | 1 rear bracket point; 2 bottom M10 suspension points |
| Construction Material | ABS, aluminum grille, polymer |
| Dimensions | 20.3 × 12.5 × 11.7 inches (51.56 × 31.75 × 29.72 cm) |
| Product Weight | 31 lb (14.1 kg) |
| Packaging | |
| Package Weight | 43.6 lb |
| Box Dimensions | 32 × 16 × 16 inches |
Q/A
Q1: What is the QSC AD-S10T-BK?
The QSC AD-S10T-BK is a 10-inch, 2-way passive surface-mount loudspeaker from the AcousticDesign series, designed for commercial foreground and background music systems.
Q2: What is the power handling of the AD-S10T-BK?
The loudspeaker is rated for 250W RMS power handling under the stated low-impedance test conditions. The supplied specifications recommend 500W amplifier power.
Q3: Does the AD-S10T-BK support 70V and 100V systems?
Yes. Its built-in transformer supports 70V and 100V distributed audio systems with selectable power taps.
Q4: Can the AD-S10T-BK operate at 8 ohms?
Yes. The transformer can be bypassed for 8-ohm operation.
Q5: What is the frequency range of this speaker?
The specified frequency range is 50 Hz to 19 kHz at -10 dB.
Q6: What is its maximum sound pressure level?
The supplied specifications list 116 dB continuous maximum SPL and 122 dB peak maximum SPL.
Q7: What is the speaker's coverage angle?
The AD-S10T-BK provides 90° conical coverage. QSC DMT technology helps maintain consistent directivity around the crossover region.
Q8: Is the AD-S10T-BK suitable for outdoor installations?
It features weather-resistant construction and dust and splash resistance. Confirm suitability for the intended installation and exposure conditions using QSC's documentation.
Q9: What mounting options are available?
The included X-Mount system supports horizontal and vertical wall or ceiling installations. Compatible M10 accessories are also available separately.
Q10: What connector does the AD-S10T-BK use?
It uses a removable 4-pole Euroblock connector for speaker input and loop-through wiring, positioned under a sealed input cover.
Q11: Which commercial environments can use the QSC AD-S10T-BK?
Potential applications include restaurants, retail stores, educational facilities, worship venues, casinos, transportation terminals, concourses, and other commercial spaces requiring foreground or background audio.
Q12: Can the AD-S10T-BK be used in a distributed speaker system?
Yes. Its 70V/100V transformer taps support distributed audio systems, while the 8-ohm bypass option supports compatible low-impedance installations.
Q13: What does DMT technology do?
QSC Directivity Matched Transition technology matches the directivity patterns of the woofer and high-frequency waveguide near the crossover point to help provide consistent coverage.
Q14: Does the AD-S10T-BK support Q-SYS processing?
Advanced voicing filters using QSC Intrinsic Correction are available through compatible Q-SYS processing or CXD amplifier platforms, sold separately.
Q15: Where can I buy the QSC AD-S10T-BK?
Contact HDTV Supply for current availability, pricing, and assistance selecting the QSC AD-S10T-BK for your commercial audio installation.
Warranty Information
Please contact HDTV Supply or QSC to confirm the applicable warranty coverage for the QSC AD-S10T-BK and the terms associated with your purchase.
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QSC AD-S10T-BK AcousticDesign Series 10 Inch 2-Way 250W Surface-Mount Loudspeaker (Single, Black)
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QSC AD-S10T-BK AcousticDesign Series 10 Inch 2-Way 250W Surface-Mount Loudspeaker (Single, Black)
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