QSC Acoustic Design AD-S4T

Sale priceAED. 1,041.00



  • AD-S4T: The QSC Acoustic Design AD-S4T is a versatile loudspeaker designed for indoor and outdoor use, offering high-quality sound performance and durability.
  • Effective Frequency Range: The speaker has an effective frequency range of 68 Hz to 20 kHz, providing full-range audio coverage.
  • Broadband Sensitivity: With a sensitivity of 87 dB SPL, the AD-S4T efficiently converts input power to sound output.
  • Wide Coverage Angle: The speaker has a coverage angle of 120° conical DMT™, ensuring even sound dispersion over a wide area.
  • Directivity Factor and Index: The speaker has a directivity factor of 6 and a directivity index of 8 dB, contributing to its controlled sound projection.
  • High SPL: The speaker can handle a maximum continuous SPL of 104 dB and a maximum peak SPL of 110 dB, delivering powerful and dynamic sound output.
  • Weather Resistant Design: The AD-S4T features an IP-54 ingress protection rating, making it suitable for outdoor use and tested for salt fog, humidity, and temperature variations.
  • High-Quality Transducers: The speaker is equipped with a 0.75-inch silk dome tweeter and a 4.5-inch weather-resistant paper cone woofer, delivering clear and accurate audio reproduction.
  • Transformer Taps: The speaker offers multiple transformer taps for 70V and 100V distributed audio systems, providing flexibility in installation.
  • Euroblock Connector: The input connector type is a Euroblock connector with parallel output terminals, facilitating easy and secure wiring.
  • X-Mount Mounting System: The speaker comes with an X-Mount mounting system for convenient installation.

QSC Acoustic Design AD-S4T


The QSC Acoustic Design AD-S4T is a high-performance loudspeaker designed for both indoor and outdoor applications. With its weather-resistant design and high-quality transducers, this speaker delivers excellent sound performance and is suitable for various installation environments.


Effective Frequency Range: 68 Hz - 20 kHz
Rated Noise Power / Voltage: 50 watts / 20 volts (rms)
Broadband Sensitivity: 87 dB SPL
Coverage Angle (-6 dB): 120° conical DMT™
Directivity Factor (Q): 6
Directivity Index: 8 dB
Maximum Continuous SPL: 104 dB
Maximum Peak SPL: 110 dB
Rated Impedance: 8 ohms
Recommended Amplifier Power: 100 watts
Transformer Taps: 70 V: 30, 15, 7.5, 3.75 W and 8Ω bypass
100V: 30, 15, 7.5 W and 8Ω bypass
HF Transducer: 0.75-inch silk dome tweeter / 0.75-inch voice coil, horn loaded
LF Transducer: 4.5-inch weather resistant paper cone woofer
1-inch / 25 mm voice coil
Input Connector Type: Euroblock connector with parallel output terminals
Enclosure Material: Painted ABS polymer
Grille Material: Powder coated aluminum
X-Mount Material: Powder coated aluminum
Ingress Protection: IP-54
Operating Environment: Designed for indoor and outdoor use
Net Weight: 6.5 lb / 2.9 kg
Product Dimensions (HWD) inches: 10.3 × 6.34 × 6.42
Product Dimensions (HWD) mm: 261 × 161 × 163
Shipping Weight: 16.8 lb / 7.65 kg (pair packed)

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