



QSC Acoustic Coverage AC-S4T
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QSC Acoustic Coverage AC-S4T
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Description
Details
Highlights:
- Wide Frequency Range:Β The QSC Acoustic Coverage AC-S4T Ceiling Speaker offers an effective frequency range of 170 Hz β 20 kHz, ensuring clear and balanced audio reproduction.
- High Sensitivity:Β With a sensitivity of 85 dB SPL, these speakers deliver sound with excellent clarity and efficiency.
- 130Β° Conical Coverage:Β Featuring a rated coverage of 130Β° conical, these speakers offer a wide and consistent sound dispersion, providing even coverage throughout the listening area.
- Powerful Transducers:Β 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:Β 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:Β 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 β 20 kHz |
| Rated Noise Power / Voltage: | 216 watts / 11.3 volts (rms) |
| Broad-band Sensitivity: | 85 dB SPL |
| Coverage Angle (-6 dB): | 130Β° 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.
Sonic Excellence
Audio Perfection
Refined Acoustics
Auditory Excellence
A Symphony of Precision & Performance
At ITrustSystems, we engineer immersive audio-visual experiences that go far beyond equipment. From powerful sound systems to precision display solutions, every product is designed to deliver clarity, reliability, and long-term performance across residential and commercial environments in the UAE.
Whether youβre building a home cinema, professional studio, conference room, or smart commercial space, our solutions bring together premium materials, advanced engineering, and seamless integration. Every detail is carefully considered to ensure performance you can hear, see, and trust every day.

Engineered for Sound, Built for Life
At ITrustSystems, we believe exceptional audio should be both felt and heard. Whether youβre enjoying a cinematic masterpiece at home or elevating a corporate boardroom experience, our range of speakers, subwoofers, and acoustic systems deliver precision, clarity, and performance at every level. Designed with premium materials and rigorous engineering standards, every solution brings the perfect balance of power, nuance, and reliability engineered for sound, built for life in UAE environments.
π¦πͺ Trusted Across the UAE
π Fast & Secure Delivery
β¨ Engineered for Performance
πΆ Immersive Sound Experiences
π¦πͺ Trusted Across the UAE
π Fast & Secure Delivery
β¨ Engineered for Performance
πΆ Immersive Sound Experiences

Seamless Integration, Every Environment
From high-end cinemas to corporate spaces, and from studios to smart homes, ITrustSystems delivers solutions that integrate beautifully into your environment. Our audio-visual systems are engineered to complement your space not compete with it. With clean design, configurable performance, and reliable technology, you get systems that enhance your moments, conversations, and experiences. Trusted by professionals and enthusiasts across the UAE, our products bring clarity and comfort wherever they are installed.
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.
Will performance remain consistent over time?
Yes. Products are selected to deliver reliable and stable performance when used under normal operating conditions. Consistent output and dependable operation are key considerations across all offerings.
Who can I contact if I need assistance after purchase?
Support is available to assist with general questions, usage guidance, and post-purchase inquiries. Customers can reach out for help whenever needed.
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.
Customer service
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