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QSC Acoustic Coverage AC-S4T
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Highlights:
- Wide Frequency Range: The QSC Acoustic Coverage AC-S4T Ceiling Speaker offers an effective frequency range of 170 Hz – 20 kHz, ensuring clear and balanced audio reproduction.
- High Sensitivity: With a sensitivity of 85 dB SPL, these speakers deliver sound with excellent clarity and efficiency.
- 130° Conical Coverage: Featuring a rated coverage of 130° conical, these speakers offer a wide and consistent sound dispersion, providing even coverage throughout the listening area.
- Powerful Transducers: The AC-S4T is equipped with a 100 mm [4 in] polypropylene woofer and a 25 mm [1 in] aluminum dome tweeter with 25 mm [1 in] voice-coil, delivering exceptional audio performance.
- Sturdy Construction: Made with UV-treated, high-impact ABS polymer and powder-coated steel grille and yoke material, these speakers are built to withstand indoor environments and ensure long-lasting durability.
- Easy Installation: These speakers come with a yoke mount system and euroblock connector for quick and hassle-free installation.
QSC Acoustic Coverage AC-S4T Ceiling Speaker
Experience powerful and clear audio performance with the QSC Acoustic Coverage AC-S4T Ceiling Speaker. Designed for indoor use, these speakers offer wide coverage and high sensitivity, making them ideal for various applications.
| Effective Frequency Range: | 170 Hz – 20 kHz |
| Rated Noise Power / Voltage: | 216 watts / 11.3 volts (rms) |
| Broad-band Sensitivity: | 85 dB SPL |
| Coverage Angle (-6 dB): | 130° conical (500 Hz - 5 kHz) |
| Directivity Factor (Q): | 6 |
| Directivity Index [dB]: | 8 |
| Maximum Continuous SPL: | 97 dB |
| Maximum Peak SPL: | 103 dB |
| Rated Impedance: | 8 ohms |
| Recommended Amplifier: | 32 watts |
| Transformer Taps: | 70V: 16, 8, 4, 2, 1 watts 100V: 16, 8, 4, 2 watts |
| LF Transducer: | 100 mm [4 in] polypropylene woofer |
| HF Transducer: | 25 mm [1 in] aluminum dome tweeter with 25 mm [1 in] voice-coil |
| Input Connector Type: | Euroblock connector with parallel output |
| Enclosure Material: | UV treated, high-impact ABS polymer |
Quality Assurance
Every product offered by ITrustSystems is sourced from trusted manufacturers and undergoes quality checks before dispatch. We focus on long-term reliability, performance consistency, and compliance with manufacturer standards to ensure you receive dependable equipment for both residential and commercial use.
Packaging & Handling
All products are carefully packed using protective materials to ensure safe handling during storage and transit. Packaging is designed to minimize impact, prevent damage, and maintain product integrity from dispatch to delivery. Larger systems and delicate components receive additional protective layers for secure transportation.
Warranty
All products sold by I-Trust Systems are 100% genuine, brand-new, and covered by the applicable UAE manufacturer warranty.
Warranty covers manufacturing defects under normal use. It does not cover physical damage, misuse, incorrect installation, power issues, liquid damage, or unauthorized repairs.
For exact warranty duration and conditions, please contact us before placing your order.

Not sure if this product fits your project?
Choosing the right AV product depends on more than power or brand name. Venue size, audience area, outdoor conditions, amplifier matching, DSP tuning, mounting method, and sound coverage all matter.
Our AV team can help you select the right Bose loudspeaker, amplifier, DSP processor, mounting accessories, and cabling solution for your project. We also support speaker placement, system design, and professional installation across the UAE.

Acoustic Study & Room Calibration
Great equipment performs best when the room is properly designed and tuned. Our team studies your room dimensions, speaker placement, reflections, and listening position to improve clarity, balance, and overall sound performance.
FAQs
Please read our FAQs page to find out more
How are products packaged for delivery?
All products are carefully packaged using protective materials to ensure safe handling during transportation. Additional protection is used where required to minimize the risk of damage during shipping.
Do these products come with warranty coverage?
Yes. Products are supplied with manufacturer-backed warranty coverage where applicable. Warranty details may vary by product, and support is available to assist with warranty-related inquiries.
Is after-sales support available if I need assistance?
Yes. After-sales support is available to assist with general product-related questions, usage guidance, and post-purchase inquiries.
Dubai-Born. UAE Proud. Since 2011
1# Fast & Secure Delivery
Need Discount? Drop a WhatsApp Message
Installation Available on Request
Dubai-Born. UAE Proud. Since 2011
1# Fast & Secure Delivery
Need Discount? Drop a WhatsApp Message
Installation Available on Request

