The QSC AD-S5T-WH AcousticDesign Series 5.25 Inch 2-Way 100W Surface-Mount Loudspeaker (Pair, White) is a pair of transformer-equipped surface-mount loudspeakers designed for professional foreground and background music applications. Supporting 70V, 100V, and 8-ohm operation, these speakers provide flexible integration into commercial audio systems for restaurants, retail spaces, educational facilities, hospitality venues, and houses of worship.
Each speaker features a 5.25-inch weather-treated paper cone woofer and a 1-inch horn-loaded silk dome tweeter. QSC Directivity Matched Transition (DMT) technology provides 115° conical coverage and improved off-axis response. The included X-Mount systems support flexible horizontal or vertical wall and ceiling installations. With rugged ABS enclosures, powder-coated aluminum grilles, and dust- and splash-resistant construction, the AD-S5T series is designed for demanding commercial audio environments.
QSC AD-S5T-WH Features
- Two-way speaker design: Combines a 5.25-inch weather-treated paper cone woofer with a 1-inch horn-loaded silk dome tweeter for full-range sound reproduction.
- 100W RMS power handling: Designed for commercial foreground and background music applications.
- Flexible system compatibility: Supports 70V, 100V, and 8-ohm bypass operation through its built-in transformer.
- Wide audio coverage: QSC DMT technology provides 115° conical coverage and helps improve off-axis response.
- Versatile mounting: Includes X-Mount systems for horizontal or vertical wall and ceiling installation.
- Durable construction: Features a rugged ABS enclosure and powder-coated aluminum grille.
- Protected connections: Uses a removable four-pole Euroblock input/thru connector beneath a sealed input cover.
- Selectable transformer taps: A rear-panel rotary tap selector is protected by a weather grommet.

QSC Certified Expertise
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-S5T-WH from HDTV Supply
Choose the QSC AD-S5T-WH loudspeaker pair for flexible commercial audio installations, wide sound coverage, and distributed audio compatibility. Contact HDTV Supply for assistance with product selection and compatible audio system components.
Ask a Question About the QSC AD-S5T-WH
Need help with the QSC AD-S5T-WH loudspeaker pair, mounting options, or audio system compatibility? Contact HDTV Supply for assistance.
QSC AD-S5T-WH Specifications
| General | |
|---|---|
| Product Type | Passive surface-mount loudspeaker |
| Series | QSC AcousticDesign |
| Model | AD-S5T-WH |
| Included Speakers | 2 (pair) |
| Speaker Configuration | 2-way |
| Enclosure Type | Sealed |
| Power and Electrical | |
| Power Handling | 100W RMS (specified for 2 hours) |
| Recommended Amplifier Power | 300W |
| 70V Transformer Taps | 60W, 30W, 15W, 7.5W |
| 100V Transformer Taps | 60W, 30W, 15W, or 8-ohm bypass |
| Impedance | 8 ohms with transformer bypassed |
| Drivers | |
| High-Frequency Driver | 1 × 1-inch / 2.5 cm horn-loaded silk dome tweeter per speaker |
| HF Voice Coil | 1 inch / 2.5 cm |
| Low-Frequency Driver | 1 × 5.25-inch / 13.34 cm paper cone woofer per speaker |
| LF Voice Coil | 1 inch / 2.54 cm |
| Magnet | Neodymium |
| Audio Performance | |
| Frequency Range | 65 Hz–20 kHz (-10 dB) |
| Maximum SPL, Continuous | 106 dB |
| Maximum SPL, Peak | 116 dB |
| Sensitivity | 86.3 dB SPL |
| Coverage Angle | 115° conical |
| Directivity Factor (Q) | 6.9 |
| Directivity Index | 8.4 dB |
| Connectivity and Installation | |
| Connector | 1 removable four-pole Euroblock speaker input/thru connector per speaker |
| Included Mounting System | QSC X-Mount systems |
| Mounting Points | 1 rear bracket point per speaker |
| Physical and Environmental | |
| Environmental Resistance | Dust, humidity, and water resistant (IP54, as listed in supplied specifications) |
| Operating Temperature | -4°F to 122°F / -20°C to 50°C |
| Color | White (model suffix WH) |
| Construction Material | ABS enclosure, aluminum grille, polymer components |
| Dimensions (H × W × D) | 11.26 × 6.88 × 6.85 inches / 28.6 × 17.48 × 17.4 cm |
| Weight per Speaker | 9.9 lb / 4.5 kg |
| Packaging | |
| Package Weight | 20.43 lb |
| Box Dimensions (L × W × H) | 19.6 × 16 × 11 inches |
QSC AD-S5T-WH Manuals and Downloads
QSC AD-S5T-WH Frequently Asked Questions (Q/A)
Q1: What is the QSC AD-S5T-WH?
The QSC AD-S5T-WH is a pair of white, two-way, 5.25-inch AcousticDesign surface-mount loudspeakers designed for commercial foreground and background music applications.
Q2: How many speakers are included?
This product package includes two loudspeakers and is sold as a pair.
Q3: How much power can each AD-S5T-WH speaker handle?
The supplied specifications list 100W RMS power handling under the stated two-hour condition. The recommended amplifier power is listed as 300W.
Q4: Does the AD-S5T-WH support 70V and 100V systems?
Yes. The built-in transformer supports 70V and 100V distributed audio systems, and the speaker can also operate in 8-ohm bypass mode. Follow the manufacturer's tap-setting guidance for the selected configuration.
Q5: What transformer tap settings are available?
The supplied specifications list 70V taps of 60W, 30W, 15W, and 7.5W. For 100V operation, the listed settings are 60W, 30W, and 15W, with 8-ohm bypass also indicated.
Q6: What is the frequency range of the AD-S5T-WH?
The specified frequency range is 65 Hz to 20 kHz at -10 dB.
Q7: What coverage angle does this speaker provide?
The AD-S5T-WH provides 115° conical coverage. QSC Directivity Matched Transition technology helps maintain consistent coverage and improve off-axis response.
Q8: Is the AD-S5T-WH suitable for outdoor installations?
The supplied description identifies dust and splash resistance beyond IP54 ratings. Confirm the installation environment and exposure conditions before using the speakers outdoors.
Q9: How are the AD-S5T-WH speakers mounted?
The pair includes X-Mount systems for flexible horizontal or vertical wall and ceiling installation at various angles.
Q10: What connector does the AD-S5T-WH use?
Each speaker uses a removable four-pole Euroblock speaker input/thru connector located beneath a sealed input cover.
Q11: What applications are suitable for the QSC AD-S5T-WH loudspeaker pair?
These speakers are designed for commercial audio applications such as restaurants, retail stores, educational facilities, hospitality venues, transportation terminals, casinos, concourses, and worship facilities.
Q12: Can the AD-S5T-WH be used with an 8-ohm amplifier?
Yes. The transformer can be bypassed for 8-ohm operation. Make sure the amplifier and speaker configuration are compatible before connecting the system.
Q13: What amplifier power is recommended for the AD-S5T-WH?
The supplied specifications recommend 300W amplifier power. Confirm amplifier compatibility and follow QSC's installation guidance for the selected impedance or distributed-audio configuration.
Q14: What are the dimensions and weight of each speaker?
Each speaker measures 11.26 × 6.88 × 6.85 inches (28.6 × 17.48 × 17.4 cm) and weighs 9.9 lb (4.5 kg).
Q15: Where can I find the QSC AD-S5T-WH user manual?
The user manual is linked in the Manuals tab. Contact HDTV Supply customer service for additional product information and system compatibility assistance.
QSC AD-S5T-WH Warranty
Please contact HDTV Supply or QSC to confirm the applicable warranty coverage for the AD-S5T-WH loudspeaker pair and the terms associated with your purchase.
QSC AD-S5T-WH Customer Reviews
Customer reviews and ratings for the QSC AD-S5T-WH will appear here when available.
QSC AD-S5T-WH Product Videos
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QSC AD-S5T-WH AcousticDesign Series 5.25 Inch 2-Way 100W Surface-Mount Loudspeaker (Pair, White)
Learn more or order now: https://www.hdtvsupply.com/qsc-ad-s5t...
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QSC AD-S5T-WH AcousticDesign Series 5.25 Inch 2-Way 100W Surface-Mount Loudspeaker (Pair, White)
Visit: https://www.hdtvsupply.com/qsc-ad-s5t-wh-acousticdesign...