The QSC AcousticDesign™ AD-S4T is a surface mounted 70/100V, 4.5" two-way loudspeaker system, ideally suited for a wide variety of foreground and background sound reinforcement applications.
The AD-S4T features a high quality 100 mm [4 in] weather treated paper cone woofer on a 25 mm [1 in] voice coil. A carefully selected 19 mm [0.75 in] silk dome tweeter with a 19 mm [0.75 in] voice coil perfectly matches the sensitivity and performance of the woofer for outstanding full-range reproduction.