QSC AD-S4T-BK
Features
4.5-inch weather treated woofer; 0.75-inch silk dome tweeter
120° conical DMT coverage
30 watt low-saturation and low-loss 70/100V transformer with 8Ω bypass
Maximum peak SPL 110 dB (8 ohm bypass)
DMT™ (Directivity Matched Transition) ensures smooth, uniform frequency response over the coverage area
X-Mount™ system enables the loudspeaker to be easily installed and deployed at a variety of angles with no slippage over time
Advanced voicing filter sets using QSC Intrinsic Correction™, available through either Q-SYS or CXD amplifier platform
Lightweight ABS enclosures offer long-term durability and lasting good looks
Sealed input panel cover and powder coated aluminum grilles for added weather resistance
Meets IEC60529 IP-54 for dust and splash resistance
Available in black (RAL 9011) or white (RAL 9010)
Complete EASE, CF2, CAD, and BIM information available online
QSC AD-S4T-BK
System Details AD-S4T Effective frequency range1 68 Hz - 20 kHz Rated noise power / voltage2 50 watts / 20 volts (rms) Broadband sensitivity3 87 dB SPL Coverage angle (-6 dB) 120° conical DMT Directivity factor (Q) 6 Directivity Index 8 dB Maximum continuous SPL4 104 dB Maximum peak SPL4 110 dB Rated impedance 8 ohms Recommended amplifier power
(loudspeaker "program" 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 bypassHF 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 coilInput connector type Euroblock connector with parallel output terminals Enclosure material Painted ABS polymer Grille material Powder coated aluminum X-Mount material Powder coated aluminum Enclosure Details Ingress protection IP-54 Operating environment Designed for indoor and outdoor use Testing The AD Series loudspeakers qualified for outdoor use using the following tests:
- Salt fog: MIL-STD-810G Method 509.5 for 100 hrs.
- Humidity: MIL-STD-810G Method 507.5, Natural cycle B2, cyclic high RH for 7 days
- High and low temperature: tested to QSC internal standards between -20° and 50° C
Net weight 6.5 lb / 2.9 kg Product dimensions
(HWD) inches10.3 × 6.34 × 6.42 Product dimensions
(HWD) mm261 × 161 × 163 Shipping weight 16.8 lb / 7.65 kg (pair packed) Shipping dimensions
(HWD) inches15.5 × 10.3 × 18 (pair packed) Shipping dimensions
(HWD) mm394 × 261 × 458 (pair packed) Included accessories X-Mount mounting system, Euroblock connector,
input panel cover