The QSC AD-S402T is a high-performance, wall-mountable line array speaker designed for professional audio environments requiring clear, intelligible sound with controlled coverage. With four 2.75-inch weather-treated drivers aligned in a sleek column-style array, the AD-S402T is ideal for spaces like boardrooms, lecture halls, worship venues, and hospitality zones.
This speaker provides narrow vertical and wide horizontal dispersion, ensuring even sound distribution while minimizing ceiling and floor reflections. Rated for 30 watts RMS (with 70V/100V taps) and supporting 8Ω direct connection, it integrates easily into both low and high-impedance systems.
The AD Series build quality ensures long-term durability and performance, with a rugged ABS enclosure and included mounting hardware. The speaker also features a sealed input panel, making it suitable for semi-outdoor or challenging acoustic environments.
Choose the AD-S402T when compact design, vocal clarity, and controlled coverage are key priorities.
| Feature | Details |
|---|---|
| Model | QSC AD-S402T |
| Type | Wall-Mount Line Array Speaker |
| Power Handling | 30 Watts RMS (Continuous) |
| Drivers | 4 x 2.75″ full-range weather-treated transducers |
| Frequency Response | 70 Hz – 20 kHz |
| Sensitivity | 86 dB SPL (1W @ 1m) |
| Impedance | 8Ω nominal / 70V / 100V taps available |
| Dispersion | 120° horizontal x 20° vertical |
| Enclosure Material | Weather-resistant ABS |
| Mounting Hardware | Included swivel bracket for wall mounting |
| Color Options | Black or White |
| Dimensions (H x W x D) | Approx. 389 mm x 94 mm x 101 mm |
| Weight | Approx. 2.7 kg (6 lbs) |
| Applications | Education, corporate AV, worship spaces, hotels, public areas |
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