QSC AD-S4T

The black QSC AcousticDesign AD-S4T Loudspeaker is a surface mounted 70/100V, 4" two-way loudspeaker system, ideally suited for a wide variety of foreground and background sound reinforcement applications. The AD-S4T features a high-quality 4" weather-treated paper cone woofer on a 1" voice coil. It also has a 0.75" silk dome tweeter with a 0.75" voice coil. 

• 4.5” 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

Specifications:

• 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: 100 watts 
• Transformer taps: 70 V: 30, 15, 7.5, 3.75 W and 8Ω bypass, 
• Input connector type: Euroblock connector with parallel output terminals
• Enclosure material: Painted ABS polymer
• Grille material: Powder coated aluminum