QSC AD-S402T-BK 2.75 Inch Columnar Surface-Mount Loudspeaker (Black)

QSC

QSC AD-S402T-BK 2.75 Inch Columnar Surface-Mount Loudspeaker (Black)
$465.00
Part Number:
QSC-AD-S402T-BK
Condition:
New
Availability:
3-5 Days
1:
For 70 or 100V Systems
2:
Preserves Vocal Intelligibility
3:
IP54 Rating for Outdoor Use
4:
Includes Pan/Tilt Mounting Bracket
5:
Free USA Shipping
6:
QSC Factory Warranty
8:
Ships with the Latest Firmware
9:
Save 5% w/Check or Wire Transfer
10:
International Shipping - Call
11:
QSC Certified

The QSC AD-S402T-BK 2.75 Inch Columnar Surface-Mount Loudspeaker (Black) is a passive, full-range column loudspeaker featuring four 2.75-inch treated paper cone drivers. Designed for commercial sound installations, it provides controlled sound coverage and clear vocal reproduction in spaces where speech intelligibility is essential.

The QSC AcousticDesign Series is designed for professional installations in transportation terminals, courthouses, lecture halls, and other public spaces where clear announcements and vocal intelligibility are important.

Its rugged aluminum enclosure, weather-treated cones, UV inhibitors, and IP54 rating support indoor and suitable outdoor applications where protection against dust and water splashes is required.

A proprietary passive crossover network helps provide consistent sound reproduction and directivity control. The integrated low-loss transformer supports 70V and 100V distributed audio systems, with selectable power taps and a 16-ohm bypass option.

The loudspeaker features a locking 4-pole Euroblock connector with loop-through capability and a sealable input weather cup to help protect wiring. A close-to-wall pan/tilt mounting bracket is included for convenient installation and aiming.

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QSC AD-S402T-BK Features:

  • Four 2.75-inch treated paper cone drivers
  • Full-range passive column loudspeaker for commercial audio installations
  • Designed for clear vocal reproduction and controlled sound coverage
  • Rugged aluminum enclosure with a paintable enclosure and grille
  • IP54 rating for dust and splash resistance
  • Weather-treated cones and UV inhibitors
  • 70V and 100V transformer operation with selectable taps
  • 16-ohm low-impedance bypass
  • Locking 4-pole Euroblock connector with loop-through
  • Sealable input weather cup helps protect speaker wiring
  • Close-to-wall pan/tilt mounting bracket included
  • EASE, CLF, CAD, and BIM information available online from QSC
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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.

Why Buy the QSC AD-S402T-BK from HDTV Supply?

HDTV Supply offers QSC audio solutions for professional commercial installations. Contact our team for assistance with product compatibility and your audio system requirements.

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Have questions about the QSC AD-S402T-BK 2.75 Inch Columnar Surface-Mount Loudspeaker? Contact HDTV Supply for product information and compatibility assistance.

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QSC AD-S402T-BK Specifications

Speaker
Brand QSC
Model AD-S402T-BK
Product Type Columnar Surface-Mount Loudspeaker
Active / Passive Passive
Number of Drivers 4
Speaker Configuration Full-Range
Power Handling 60 W RMS
Recommended Amplifier Power 120 W RMS
Impedance 16 Ohms
Transformer Wattage 30 W
Enclosure Type Sealed
Transformer Taps
100V Taps 30 / 15 / 7.5 W or 16 Ohms Bypass
70V Taps 30 / 15 / 7.5 / 3.75 W or 16 Ohms Bypass
Drivers and Performance
Full-Range Drivers 4 × 2.75-inch (6.99 cm) Treated Paper Cone
Frequency Range 110 Hz to 20 kHz
Maximum SPL, Continuous 105 dB
Maximum SPL, Peak 111 dB
Sensitivity 85 dB
Coverage Angle 150° H × 35° V
Coverage at 500 Hz 180° H × 90° V
Coverage at 1 kHz 180° H × 80° V
Coverage at 2 kHz 160° H × 46° V
Coverage at 4 kHz 180° H × 28° V
Directivity / Q Factor 11
Directivity Index 10.5 dB
Connectivity
Inputs / Outputs 1 × Locking 4-Pole Block Input
Physical
Color Black (model designation AD-S402T-BK)
Mounting 1 × Bracket Point
Construction Materials Aluminum, Paper, Steel
Dimensions 12.89 × 5.17 × 4.97 inches (32.74 × 13.13 × 12.62 cm)
Weight 7.5 lb (3.4 kg), without bracket
Environmental Rating IP54, dust and splash resistance
Operating Temperature -4°F to 122°F (-20°C to 50°C)
Package Information
Package Weight 10.94 lb
Box Dimensions (L × W × H) 21.5 × 12.25 × 9.5 inches

Note: The supplied description identifies this model as black, while the original specifications list the color as white. Confirm the color-specific specifications with QSC before publishing.

QSC AD-S402T-BK Manuals and Documentation

QSC AD-S402T-BK User Manual

QSC AD-S402T-BK Questions & Answers

The QSC AD-S402T-BK is a passive, columnar surface-mount loudspeaker featuring four 2.75-inch drivers. It is designed for commercial audio installations where clear speech and controlled sound coverage are important.

The loudspeaker contains four 2.75-inch treated paper cone drivers.

The AD-S402T-BK is a passive loudspeaker and requires a compatible external amplifier.

The supplied specifications list power handling of 60 W RMS and recommended amplifier power of 120 W RMS. Follow QSC's documentation when selecting an amplifier and configuring the system.

Yes. The loudspeaker includes a transformer with selectable taps for 70V and 100V distributed audio systems, as well as a 16-ohm bypass option.

The listed frequency range is 110 Hz to 20 kHz.

The supplied information lists an IP54 rating for dust and splash resistance, along with weather-treated cones and UV inhibitors. Confirm the intended installation environment and exposure requirements with QSC before using the speaker outdoors.

The product features list a close-to-wall pan/tilt mounting bracket for installation and aiming.

The supplied product details identify a locking 4-pole Euroblock connector. The features also describe loop-through connections and a sealable input weather cup for wiring protection.

The user manual is linked in the Manuals tab on this product page. Contact HDTV Supply if you need help with documentation or installation requirements.

Key listed specifications include four 2.75-inch drivers, passive full-range operation, 60 W RMS power handling, a 110 Hz to 20 kHz frequency range, 70V and 100V transformer taps, and an IP54 rating.

The supplied specifications list a maximum continuous SPL of 105 dB and a peak SPL of 111 dB.

The product is intended for commercial audio applications such as transportation terminals, courthouses, lecture halls, and other spaces where clear announcements and speech intelligibility are important. Its environmental rating should be considered when selecting an installation location.

Yes. The supplied product features identify the enclosure and grille as paintable. Follow QSC's guidance to ensure painting does not interfere with acoustic performance or weather protection.

Contact HDTV Supply to inquire about the QSC AD-S402T-BK 2.75 Inch Columnar Surface-Mount Loudspeaker, confirm availability, and get help selecting compatible audio equipment.

QSC AD-S402T-BK Warranty Information

Please contact HDTV Supply or QSC to confirm the applicable warranty coverage for the AD-S402T-BK before purchase.

QSC AD-S402T-BK Customer Reviews

Customer reviews and ratings can be displayed here when available. Contact HDTV Supply if you need additional product information before purchasing.