The black AcousticDesign Series QSC AD-S4T is a pair of transformer-equipped 4.5″ surface-mount loudspeakers supplied with award-winning X-Mount systems, making them suitable for 70/100V or 8-ohm operation in a variety of foreground and background music applications, whether installed in horizontal, vertical, wall, or ceiling deployments.
Features of the 4in Speakers:
- 4” weather treated woofer; 0.75” 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 processing or CXD amplifier platforms
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
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