The QSC AD-S6T-WH AcousticDesign Series 6.5 Inch 2-Way 150W Surface-Mount Loudspeaker (Pair, White) is a pair of transformer-equipped surface-mount loudspeakers designed for professional foreground and background music applications. With support for 70V, 100V, and 8-ohm operation, these speakers offer flexible integration into commercial audio systems for restaurants, retail spaces, educational facilities, hospitality venues, and houses of worship.
Each speaker features a 6.5-inch weather-treated woofer and a 1-inch horn-loaded silk dome tweeter. QSC Directivity Matched Transition (DMT) technology provides consistent 105° conical coverage and improved off-axis response. The included X-Mount systems support flexible horizontal or vertical wall and ceiling installations, while the rugged ABS enclosures and powder-coated aluminum grilles are designed for demanding installation environments.
QSC AD-S6T-WH Features
- Two-way speaker design: Combines a 6.5-inch weather-treated paper cone woofer and a 1-inch horn-loaded silk dome tweeter for full-range sound reproduction.
- 150W RMS power handling: Suitable for commercial background and foreground music applications.
- Flexible audio system compatibility: Supports 70V, 100V, and 8-ohm bypass operation through its built-in transformer.
- Consistent 105° coverage: QSC DMT technology helps provide even coverage and improved off-axis response.
- Convenient installation: Includes X-Mount systems for horizontal, vertical, wall, or ceiling mounting.
- Durable construction: Features a rugged ABS enclosure and powder-coated aluminum grille.
- Protected wiring connections: A removable four-pole Euroblock input/thru connector is located beneath a sealed input cover.
- Selectable transformer taps: Includes a rear-panel rotary tap selector 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-S6T-WH from HDTV Supply
Choose the QSC AD-S6T-WH loudspeaker pair for versatile commercial audio installations, flexible distributed sound compatibility, and consistent coverage. Contact HDTV Supply for assistance selecting products for your audio system.
Ask a Question About the QSC AD-S6T-WH
Have questions about the QSC AD-S6T-WH AcousticDesign loudspeaker pair, installation options, or audio system compatibility? Contact HDTV Supply for assistance.
QSC AD-S6T-WH Specifications
| General | |
|---|---|
| Product Type | Passive surface-mount loudspeaker |
| Series | QSC AcousticDesign |
| Model | AD-S6T-WH |
| Included Speakers | 2 (pair) |
| Speaker Configuration | 2-way |
| Shielded | No |
| Power and Electrical | |
| Power Handling | 150W RMS at low impedance (specified for 2 hours) |
| Recommended Amplifier Power | 300W |
| Transformer Wattage | 60W |
| 70V Transformer Taps | 60W, 30W, 15W, 7.5W, or 8-ohm bypass |
| 100V Transformer Taps | 60W, 30W, 15W, or 8-ohm bypass |
| Impedance | 8 ohms with transformer bypassed |
| Enclosure Type | Sealed |
| Maximum Input Voltage | 35V RMS |
| Drivers | |
| High-Frequency Driver | 1 × 1-inch / 2.54 cm horn-loaded silk dome tweeter |
| HF Voice Coil | 1 inch / 2.54 cm |
| Low-Frequency Driver | 1 × 6.5-inch / 16.51 cm paper cone woofer per speaker |
| LF Voice Coil | 1.5 inches / 3.81 cm |
| Audio Performance | |
| Frequency Range | 60 Hz–20 kHz (-10 dB) |
| Maximum SPL, Continuous | 110 dB |
| Maximum SPL, Peak | 116 dB |
| Sensitivity | 89 dB SPL |
| Coverage Angle | 105° conical |
| Directivity Factor (Q) | 5 |
| Directivity Index | 7 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 | |
| Color | White |
| Construction Material | ABS enclosure, aluminum grille, polymer components |
| Operating Temperature | -4°F to 122°F / -20°C to 50°C |
| Dimensions (H × W × D) | 14.4 × 8.5 × 8.5 inches / 36.58 × 21.59 × 21.59 cm |
| Weight per Speaker | 13.6 lb / 6.2 kg |
| Packaging | |
| Package Weight | 33 lb |
| Box Dimensions (L × W × H) | 20 × 12 × 12 inches |
QSC AD-S6T-WH Frequently Asked Questions (Q/A)
Q1: What is the QSC AD-S6T-WH?
The QSC AD-S6T-WH is a pair of white, two-way, 6.5-inch AcousticDesign surface-mount loudspeakers designed for commercial foreground and background music systems.
Q2: How many speakers are included in this package?
This package includes two loudspeakers, making it a pair for suitable stereo or distributed audio installations.
Q3: How much power can each AD-S6T-WH speaker handle?
The supplied specifications list 150W RMS power handling at low impedance under the stated two-hour condition. The recommended amplifier power is 300W.
Q4: Does the AD-S6T-WH support 70V and 100V audio systems?
Yes. Its built-in transformer supports 70V and 100V distributed audio systems, and it also offers an 8-ohm bypass mode.
Q5: What transformer tap settings are available?
The listed 70V taps are 60W, 30W, 15W, and 7.5W, plus 8-ohm bypass. The 100V taps are 60W, 30W, and 15W, plus 8-ohm bypass.
Q6: What is the frequency range of the QSC AD-S6T-WH?
The specified frequency range is 60 Hz to 20 kHz at -10 dB.
Q7: What coverage angle does this loudspeaker provide?
The AD-S6T-WH provides 105° conical coverage. QSC DMT technology helps maintain consistent coverage and improve off-axis response.
Q8: Is the AD-S6T-WH suitable for outdoor use?
The supplied product 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-S6T-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-S6T-WH use?
Each speaker uses a removable four-pole Euroblock input/thru connector located beneath a sealed input cover.
Q11: What applications are suitable for the QSC AD-S6T-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 QSC AD-S6T-WH be used with a low-impedance 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-S6T-WH?
The supplied specifications recommend 300W amplifier power. Select the correct amplifier configuration for the chosen impedance or distributed-audio tap and follow QSC's installation guidance.
Q14: What are the dimensions and weight of each speaker?
Each speaker measures 14.4 × 8.5 × 8.5 inches (36.58 × 21.59 × 21.59 cm) and weighs 13.6 lb (6.2 kg).
Q15: Where can I find the QSC AD-S6T-WH manual and datasheet?
The user manual and datasheet are linked in the Manuals tab. For help with product selection or system compatibility, contact HDTV Supply customer service.
QSC AD-S6T-WH Warranty
Please contact HDTV Supply or QSC to confirm the applicable warranty coverage for the AD-S6T-WH loudspeaker pair and the terms associated with your purchase.
QSC AD-S6T-WH Customer Reviews
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QSC AD-S6T-WH AcousticDesign Series 6.5 Inch 2-Way 150W Surface-Mount Loudspeaker (Pair, White)
Learn more or order now: https://www.hdtvsupply.com/qsc-ad-s6t...
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QSC AD-S6T-WH AcousticDesign Series 6.5 Inch 2-Way 150W Surface-Mount Loudspeaker (Pair, White)
Visit: https://www.hdtvsupply.com/qsc-ad-s6t-wh-acousticdesign...